diff --git a/unix/aliases.go b/unix/aliases.go
index 0d12dd6..abc89c1 100644
--- a/unix/aliases.go
+++ b/unix/aliases.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris) && go1.9
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos) && go1.9
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 // +build go1.9
 
 package unix
diff --git a/unix/asm_zos_s390x.s b/unix/asm_zos_s390x.s
new file mode 100644
index 0000000..3b54e18
--- /dev/null
+++ b/unix/asm_zos_s390x.s
@@ -0,0 +1,426 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x && gc
+// +build zos
+// +build s390x
+// +build gc
+
+#include "textflag.h"
+
+#define PSALAA            1208(R0)
+#define GTAB64(x)           80(x)
+#define LCA64(x)            88(x)
+#define CAA(x)               8(x)
+#define EDCHPXV(x)        1016(x)       // in the CAA
+#define SAVSTACK_ASYNC(x)  336(x)       // in the LCA
+
+// SS_*, where x=SAVSTACK_ASYNC
+#define SS_LE(x)             0(x)
+#define SS_GO(x)             8(x)
+#define SS_ERRNO(x)         16(x)
+#define SS_ERRNOJR(x)       20(x)
+
+#define LE_CALL BYTE $0x0D; BYTE $0x76; // BL R7, R6
+
+TEXT ·clearErrno(SB),NOSPLIT,$0-0
+	BL	addrerrno<>(SB)
+	MOVD	$0, 0(R3)
+	RET
+
+// Returns the address of errno in R3.
+TEXT addrerrno<>(SB),NOSPLIT|NOFRAME,$0-0
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get __errno FuncDesc.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	ADD	$(0x156*16), R9
+	LMG	0(R9), R5, R6
+
+	// Switch to saved LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Call __errno function.
+	LE_CALL
+	NOPH
+
+	// Switch back to Go stack.
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+	RET
+
+TEXT ·syscall_syscall(SB),NOSPLIT,$0-56
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+32(FP)
+	MOVD	R0, r2+40(FP)
+	MOVD	R0, err+48(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+48(FP)
+done:
+	BL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·syscall_rawsyscall(SB),NOSPLIT,$0-56
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+32(FP)
+	MOVD	R0, r2+40(FP)
+	MOVD	R0, err+48(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+48(FP)
+done:
+	RET
+
+TEXT ·syscall_syscall6(SB),NOSPLIT,$0-80
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+56(FP)
+	MOVD	R0, r2+64(FP)
+	MOVD	R0, err+72(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+72(FP)
+done:
+	BL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·syscall_rawsyscall6(SB),NOSPLIT,$0-80
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+56(FP)
+	MOVD	R0, r2+64(FP)
+	MOVD	R0, err+72(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	·rrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+72(FP)
+done:
+	RET
+
+TEXT ·syscall_syscall9(SB),NOSPLIT,$0
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+	MOVD	a7+56(FP), R12
+	MOVD	R12, (2176+48)(R4)
+	MOVD	a8+64(FP), R12
+	MOVD	R12, (2176+56)(R4)
+	MOVD	a9+72(FP), R12
+	MOVD	R12, (2176+64)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+80(FP)
+	MOVD	R0, r2+88(FP)
+	MOVD	R0, err+96(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+96(FP)
+done:
+        BL	runtime·exitsyscall(SB)
+        RET
+
+TEXT ·syscall_rawsyscall9(SB),NOSPLIT,$0
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+	MOVD	a7+56(FP), R12
+	MOVD	R12, (2176+48)(R4)
+	MOVD	a8+64(FP), R12
+	MOVD	R12, (2176+56)(R4)
+	MOVD	a9+72(FP), R12
+	MOVD	R12, (2176+64)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+80(FP)
+	MOVD	R0, r2+88(FP)
+	MOVD	R0, err+96(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+96(FP)
+done:
+	RET
+
+// func svcCall(fnptr unsafe.Pointer, argv *unsafe.Pointer, dsa *uint64)
+TEXT ·svcCall(SB),NOSPLIT,$0
+	BL	runtime·save_g(SB)   // Save g and stack pointer
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	R15, 0(R9)
+
+	MOVD	argv+8(FP), R1       // Move function arguments into registers
+	MOVD	dsa+16(FP), g
+	MOVD	fnptr+0(FP), R15
+
+	BYTE	$0x0D                // Branch to function
+	BYTE	$0xEF
+
+	BL	runtime·load_g(SB)   // Restore g and stack pointer
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R15
+
+	RET
+
+// func svcLoad(name *byte) unsafe.Pointer
+TEXT ·svcLoad(SB),NOSPLIT,$0
+	MOVD	R15, R2          // Save go stack pointer
+	MOVD	name+0(FP), R0   // Move SVC args into registers
+	MOVD	$0x80000000, R1
+	MOVD	$0, R15
+	BYTE	$0x0A            // SVC 08 LOAD
+	BYTE	$0x08
+	MOVW	R15, R3          // Save return code from SVC
+	MOVD	R2, R15          // Restore go stack pointer
+	CMP	R3, $0           // Check SVC return code
+	BNE	error
+
+	MOVD	$-2, R3          // Reset last bit of entry point to zero
+	AND	R0, R3
+	MOVD	R3, addr+8(FP)   // Return entry point returned by SVC
+	CMP	R0, R3           // Check if last bit of entry point was set
+	BNE	done
+
+	MOVD	R15, R2          // Save go stack pointer
+	MOVD	$0, R15          // Move SVC args into registers (entry point still in r0 from SVC 08)
+	BYTE	$0x0A            // SVC 09 DELETE
+	BYTE	$0x09
+	MOVD	R2, R15          // Restore go stack pointer
+
+error:
+	MOVD	$0, addr+8(FP)   // Return 0 on failure
+done:
+	XOR	R0, R0           // Reset r0 to 0
+	RET
+
+// func svcUnload(name *byte, fnptr unsafe.Pointer) int64
+TEXT ·svcUnload(SB),NOSPLIT,$0
+	MOVD	R15, R2          // Save go stack pointer
+	MOVD	name+0(FP), R0   // Move SVC args into registers
+	MOVD	addr+8(FP), R15
+	BYTE	$0x0A            // SVC 09
+	BYTE	$0x09
+	XOR	R0, R0           // Reset r0 to 0
+	MOVD	R15, R1          // Save SVC return code
+	MOVD	R2, R15          // Restore go stack pointer
+	MOVD	R1, rc+0(FP)     // Return SVC return code
+	RET
+
+// func gettid() uint64
+TEXT ·gettid(SB), NOSPLIT, $0
+	// Get library control area (LCA).
+	MOVW PSALAA, R8
+	MOVD LCA64(R8), R8
+
+	// Get CEECAATHDID
+	MOVD CAA(R8), R9
+	MOVD 0x3D0(R9), R9
+	MOVD R9, ret+0(FP)
+
+	RET
diff --git a/unix/constants.go b/unix/constants.go
index c0cd2ff..394a396 100644
--- a/unix/constants.go
+++ b/unix/constants.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package unix
 
diff --git a/unix/dev_zos.go b/unix/dev_zos.go
new file mode 100644
index 0000000..a388e59
--- /dev/null
+++ b/unix/dev_zos.go
@@ -0,0 +1,29 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+// Functions to access/create device major and minor numbers matching the
+// encoding used by z/OS.
+//
+// The information below is extracted and adapted from <sys/stat.h> macros.
+
+package unix
+
+// Major returns the major component of a z/OS device number.
+func Major(dev uint64) uint32 {
+	return uint32((dev >> 16) & 0x0000FFFF)
+}
+
+// Minor returns the minor component of a z/OS device number.
+func Minor(dev uint64) uint32 {
+	return uint32(dev & 0x0000FFFF)
+}
+
+// Mkdev returns a z/OS device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+	return (uint64(major) << 16) | uint64(minor)
+}
diff --git a/unix/dev_zos_test.go b/unix/dev_zos_test.go
new file mode 100644
index 0000000..d50eeba
--- /dev/null
+++ b/unix/dev_zos_test.go
@@ -0,0 +1,57 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix_test
+
+// Modified from Linux tests for device numbers.
+
+import (
+	"fmt"
+	"testing"
+
+	"golang.org/x/sys/unix"
+)
+
+func TestDevices(t *testing.T) {
+	testCases := []struct {
+		path  string
+		major uint32
+		minor uint32
+	}{
+		// Device nums found using ls -l on z/OS
+		{"/dev/null", 4, 0},
+		{"/dev/zero", 4, 1},
+		{"/dev/random", 4, 2},
+		{"/dev/urandom", 4, 2},
+		{"/dev/tty", 3, 0},
+	}
+	for _, tc := range testCases {
+		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
+			var stat unix.Stat_t
+			err := unix.Stat(tc.path, &stat)
+			if err != nil {
+				if err == unix.EACCES {
+					t.Skip("no permission to stat device, skipping test")
+				}
+				t.Errorf("failed to stat device: %v", err)
+				return
+			}
+
+			dev := uint64(stat.Rdev)
+			if unix.Major(dev) != tc.major {
+				t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major)
+			}
+			if unix.Minor(dev) != tc.minor {
+				t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor)
+			}
+			if unix.Mkdev(tc.major, tc.minor) != dev {
+				t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev)
+			}
+		})
+
+	}
+}
diff --git a/unix/env_unix.go b/unix/env_unix.go
index cc210c7..29ccc4d 100644
--- a/unix/env_unix.go
+++ b/unix/env_unix.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 // Unix environment variables.
 
diff --git a/unix/epoll_zos.go b/unix/epoll_zos.go
new file mode 100644
index 0000000..cedaf7e
--- /dev/null
+++ b/unix/epoll_zos.go
@@ -0,0 +1,221 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix
+
+import (
+	"sync"
+)
+
+// This file simulates epoll on z/OS using poll.
+
+// Analogous to epoll_event on Linux.
+// TODO(neeilan): Pad is because the Linux kernel expects a 96-bit struct. We never pass this to the kernel; remove?
+type EpollEvent struct {
+	Events uint32
+	Fd     int32
+	Pad    int32
+}
+
+const (
+	EPOLLERR      = 0x8
+	EPOLLHUP      = 0x10
+	EPOLLIN       = 0x1
+	EPOLLMSG      = 0x400
+	EPOLLOUT      = 0x4
+	EPOLLPRI      = 0x2
+	EPOLLRDBAND   = 0x80
+	EPOLLRDNORM   = 0x40
+	EPOLLWRBAND   = 0x200
+	EPOLLWRNORM   = 0x100
+	EPOLL_CTL_ADD = 0x1
+	EPOLL_CTL_DEL = 0x2
+	EPOLL_CTL_MOD = 0x3
+	// The following constants are part of the epoll API, but represent
+	// currently unsupported functionality on z/OS.
+	// EPOLL_CLOEXEC  = 0x80000
+	// EPOLLET        = 0x80000000
+	// EPOLLONESHOT   = 0x40000000
+	// EPOLLRDHUP     = 0x2000     // Typically used with edge-triggered notis
+	// EPOLLEXCLUSIVE = 0x10000000 // Exclusive wake-up mode
+	// EPOLLWAKEUP    = 0x20000000 // Relies on Linux's BLOCK_SUSPEND capability
+)
+
+// TODO(neeilan): We can eliminate these epToPoll / pToEpoll calls by using identical mask values for POLL/EPOLL
+// constants where possible The lower 16 bits of epoll events (uint32) can fit any system poll event (int16).
+
+// epToPollEvt converts epoll event field to poll equivalent.
+// In epoll, Events is a 32-bit field, while poll uses 16 bits.
+func epToPollEvt(events uint32) int16 {
+	var ep2p = map[uint32]int16{
+		EPOLLIN:  POLLIN,
+		EPOLLOUT: POLLOUT,
+		EPOLLHUP: POLLHUP,
+		EPOLLPRI: POLLPRI,
+		EPOLLERR: POLLERR,
+	}
+
+	var pollEvts int16 = 0
+	for epEvt, pEvt := range ep2p {
+		if (events & epEvt) != 0 {
+			pollEvts |= pEvt
+		}
+	}
+
+	return pollEvts
+}
+
+// pToEpollEvt converts 16 bit poll event bitfields to 32-bit epoll event fields.
+func pToEpollEvt(revents int16) uint32 {
+	var p2ep = map[int16]uint32{
+		POLLIN:  EPOLLIN,
+		POLLOUT: EPOLLOUT,
+		POLLHUP: EPOLLHUP,
+		POLLPRI: EPOLLPRI,
+		POLLERR: EPOLLERR,
+	}
+
+	var epollEvts uint32 = 0
+	for pEvt, epEvt := range p2ep {
+		if (revents & pEvt) != 0 {
+			epollEvts |= epEvt
+		}
+	}
+
+	return epollEvts
+}
+
+// Per-process epoll implementation.
+type epollImpl struct {
+	mu       sync.Mutex
+	epfd2ep  map[int]*eventPoll
+	nextEpfd int
+}
+
+// eventPoll holds a set of file descriptors being watched by the process. A process can have multiple epoll instances.
+// On Linux, this is an in-kernel data structure accessed through a fd.
+type eventPoll struct {
+	mu  sync.Mutex
+	fds map[int]*EpollEvent
+}
+
+// epoll impl for this process.
+var impl epollImpl = epollImpl{
+	epfd2ep:  make(map[int]*eventPoll),
+	nextEpfd: 0,
+}
+
+func (e *epollImpl) epollcreate(size int) (epfd int, err error) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	epfd = e.nextEpfd
+	e.nextEpfd++
+
+	e.epfd2ep[epfd] = &eventPoll{
+		fds: make(map[int]*EpollEvent),
+	}
+	return epfd, nil
+}
+
+func (e *epollImpl) epollcreate1(flag int) (fd int, err error) {
+	return e.epollcreate(4)
+}
+
+func (e *epollImpl) epollctl(epfd int, op int, fd int, event *EpollEvent) (err error) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+
+	ep, ok := e.epfd2ep[epfd]
+	if !ok {
+
+		return EBADF
+	}
+
+	switch op {
+	case EPOLL_CTL_ADD:
+		// TODO(neeilan): When we make epfds and fds disjoint, detect epoll
+		// loops here (instances watching each other) and return ELOOP.
+		if _, ok := ep.fds[fd]; ok {
+			return EEXIST
+		}
+		ep.fds[fd] = event
+	case EPOLL_CTL_MOD:
+		if _, ok := ep.fds[fd]; !ok {
+			return ENOENT
+		}
+		ep.fds[fd] = event
+	case EPOLL_CTL_DEL:
+		if _, ok := ep.fds[fd]; !ok {
+			return ENOENT
+		}
+		delete(ep.fds, fd)
+
+	}
+	return nil
+}
+
+// Must be called while holding ep.mu
+func (ep *eventPoll) getFds() []int {
+	fds := make([]int, len(ep.fds))
+	for fd := range ep.fds {
+		fds = append(fds, fd)
+	}
+	return fds
+}
+
+func (e *epollImpl) epollwait(epfd int, events []EpollEvent, msec int) (n int, err error) {
+	e.mu.Lock() // in [rare] case of concurrent epollcreate + epollwait
+	ep, ok := e.epfd2ep[epfd]
+
+	if !ok {
+		e.mu.Unlock()
+		return 0, EBADF
+	}
+
+	pollfds := make([]PollFd, 4)
+	for fd, epollevt := range ep.fds {
+		pollfds = append(pollfds, PollFd{Fd: int32(fd), Events: epToPollEvt(epollevt.Events)})
+	}
+	e.mu.Unlock()
+
+	n, err = Poll(pollfds, msec)
+	if err != nil {
+		return n, err
+	}
+
+	i := 0
+	for _, pFd := range pollfds {
+		if pFd.Revents != 0 {
+			events[i] = EpollEvent{Fd: pFd.Fd, Events: pToEpollEvt(pFd.Revents)}
+			i++
+		}
+
+		if i == n {
+			break
+		}
+	}
+
+	return n, nil
+}
+
+func EpollCreate(size int) (fd int, err error) {
+	return impl.epollcreate(size)
+}
+
+func EpollCreate1(flag int) (fd int, err error) {
+	return impl.epollcreate1(flag)
+}
+
+func EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error) {
+	return impl.epollctl(epfd, op, fd, event)
+}
+
+// Because EpollWait mutates events, the caller is expected to coordinate
+// concurrent access if calling with the same epfd from multiple goroutines.
+func EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) {
+	return impl.epollwait(epfd, events, msec)
+}
diff --git a/unix/epoll_zos_test.go b/unix/epoll_zos_test.go
new file mode 100644
index 0000000..6d7ef6d
--- /dev/null
+++ b/unix/epoll_zos_test.go
@@ -0,0 +1,277 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix_test
+
+// Modified from Linux tests for epoll.
+
+import (
+	"os"
+	"testing"
+
+	"golang.org/x/sys/unix"
+)
+
+func TestEpollIn(t *testing.T) {
+	efd, err := unix.EpollCreate1(0) // no CLOEXEC equivalent on z/OS
+	if err != nil {
+		t.Fatalf("EpollCreate1: %v", err)
+	}
+	// no need to defer a close on efd, as it's not a real file descriptor on zos
+
+	r, w, err := os.Pipe()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer r.Close()
+	defer w.Close()
+
+	fd := int(r.Fd())
+	ev := unix.EpollEvent{Events: unix.EPOLLIN, Fd: int32(fd)}
+
+	err = unix.EpollCtl(efd, unix.EPOLL_CTL_ADD, fd, &ev)
+	if err != nil {
+		t.Fatalf("EpollCtl: %v", err)
+	}
+
+	if _, err := w.Write([]byte("HELLO GOPHER")); err != nil {
+		t.Fatal(err)
+	}
+
+	events := make([]unix.EpollEvent, 128)
+	n, err := unix.EpollWait(efd, events, 1)
+	if err != nil {
+		t.Fatalf("EpollWait: %v", err)
+	}
+
+	if n != 1 {
+		t.Errorf("EpollWait: wrong number of events: got %v, expected 1", n)
+	}
+
+	got := int(events[0].Fd)
+	if got != fd {
+		t.Errorf("EpollWait: wrong Fd in event: got %v, expected %v", got, fd)
+	}
+
+	if events[0].Events&unix.EPOLLIN == 0 {
+		t.Errorf("Expected EPOLLIN flag to be set, got %b", events[0].Events)
+	}
+}
+
+func TestEpollHup(t *testing.T) {
+	efd, err := unix.EpollCreate1(0)
+	if err != nil {
+		t.Fatalf("EpollCreate1: %v", err)
+	}
+	// no need to defer a close on efd, as it's not a real file descriptor on zos
+
+	r, w, err := os.Pipe()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer r.Close()
+
+	fd := int(r.Fd())
+	// EPOLLHUP should be reported even if not explicitly requested
+	ev := unix.EpollEvent{Events: unix.EPOLLIN, Fd: int32(fd)}
+
+	err = unix.EpollCtl(efd, unix.EPOLL_CTL_ADD, fd, &ev)
+	if err != nil {
+		t.Fatalf("EpollCtl: %v", err)
+	}
+
+	events := make([]unix.EpollEvent, 128)
+	n, err := unix.EpollWait(efd, events, 1)
+	if err != nil {
+		t.Fatalf("EpollWait: %v", err)
+	}
+
+	if events[0].Events&unix.EPOLLHUP != 0 {
+		t.Errorf("EPOLLHUP flag aset without hangup event; got n=%d, flags=%b", n, events[0].Events)
+	}
+
+	w.Close()
+
+	events = make([]unix.EpollEvent, 128)
+	n, err = unix.EpollWait(efd, events, 1)
+	if err != nil {
+		t.Fatalf("EpollWait: %v", err)
+	}
+
+	if n < 1 || events[0].Events&unix.EPOLLHUP == 0 {
+		t.Errorf("Expected EPOLLHUP flag to be set, got n=%d, flags=%b", n, events[0].Events)
+	}
+
+}
+
+func TestEpollInManyFds(t *testing.T) {
+	efd, err := unix.EpollCreate1(4) // Like on Linux, size arg is ignored.
+	if err != nil {
+		t.Fatalf("EpollCreate: %v", err)
+	}
+	// no need to defer a close on efd, as it's not a real file descriptor on zos
+
+	rFds := make([]int, 10)
+	wPipes := make([]*os.File, 10)
+
+	for i := 0; i < 10; i++ {
+		r, w, err := os.Pipe()
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer r.Close()
+		defer w.Close()
+
+		rFds[i] = int(r.Fd())
+		wPipes[i] = w
+	}
+
+	// Monitor all 10 read pipes
+	for _, fd := range rFds {
+		ev := unix.EpollEvent{Events: unix.EPOLLIN, Fd: int32(fd)}
+		err = unix.EpollCtl(efd, unix.EPOLL_CTL_ADD, fd, &ev)
+		if err != nil {
+			t.Fatalf("EpollCtl: %v", err)
+		}
+	}
+
+	// Write to only 5 odd-numbered pipes
+	for i, w := range wPipes {
+		if i%2 == 0 {
+			continue
+		}
+		if _, err := w.Write([]byte("HELLO")); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	events := make([]unix.EpollEvent, 128)
+	n, err := unix.EpollWait(efd, events, 1)
+	if err != nil {
+		t.Fatalf("EpollWait: %v", err)
+	}
+
+	if n != 5 {
+		t.Errorf("EpollWait: wrong number of events: got %v, expected 5", n)
+	}
+
+	// Check level triggering here
+	if _, err := wPipes[0].Write([]byte("HELLO")); err != nil {
+		t.Fatal(err)
+	}
+
+	// Now, a total of 6 pipes have been written to - level triggered notifis should number 6
+	events = make([]unix.EpollEvent, 128)
+	n, err = unix.EpollWait(efd, events, 1)
+	if err != nil {
+		t.Fatalf("EpollWait: %v", err)
+	}
+
+	if n != 6 {
+		t.Errorf("EpollWait: wrong number of events: got %v, expected 6", n)
+	}
+
+}
+
+func TestMultipleEpolls(t *testing.T) {
+	efd1, err := unix.EpollCreate1(4)
+	if err != nil {
+		t.Fatalf("EpollCreate: %v", err)
+	}
+	// no need to defer a close on efd1, as it's not a real file descriptor on zos
+
+	efd2, err := unix.EpollCreate1(4)
+	if err != nil {
+		t.Fatalf("EpollCreate: %v", err)
+	}
+	// no need to defer a close on efd2, as it's not a real file descriptor on zos
+
+	rFds := make([]int, 10)
+	wPipes := make([]*os.File, 10)
+
+	for i := 0; i < 10; i++ {
+		r, w, err := os.Pipe()
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer r.Close()
+		defer w.Close()
+
+		rFds[i] = int(r.Fd())
+		wPipes[i] = w
+	}
+
+	// Monitor first 7 read pipes on epoll1, last 3 on epoll2
+	for i, fd := range rFds {
+		var efd int
+		if i < 7 {
+			efd = efd1
+		} else {
+			efd = efd2
+		}
+		ev := unix.EpollEvent{Events: unix.EPOLLIN, Fd: int32(fd)}
+		err = unix.EpollCtl(efd, unix.EPOLL_CTL_ADD, fd, &ev)
+		if err != nil {
+			t.Fatalf("EpollCtl: %v", err)
+		}
+	}
+
+	// Write to all 10 pipes
+	for _, w := range wPipes {
+		if _, err := w.Write([]byte("HELLO")); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	events := make([]unix.EpollEvent, 128)
+	n, err := unix.EpollWait(efd1, events, 1)
+	if err != nil {
+		t.Fatalf("EpollWait: %v", err)
+	}
+	if n != 7 {
+		t.Errorf("EpollWait: wrong number of events on ep1: got %v, expected 7", n)
+	}
+
+	events = make([]unix.EpollEvent, 128)
+	n, err = unix.EpollWait(efd2, events, 1)
+	if err != nil {
+		t.Fatalf("EpollWait: %v", err)
+	}
+	if n != 3 {
+		t.Errorf("EpollWait: wrong number of events on ep2: got %v, expected 3", n)
+	}
+}
+
+func TestEpollErrors(t *testing.T) {
+	efd, err := unix.EpollCreate1(4)
+	if err != nil {
+		t.Fatalf("EpollCreate: %v", err)
+	}
+	// no need to defer a close on efd, as it's not a real file descriptor on zos
+
+	r, w, err := os.Pipe()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer r.Close()
+	defer w.Close()
+
+	fd := int(r.Fd())
+
+	ev := unix.EpollEvent{Events: unix.EPOLLIN, Fd: int32(fd)}
+	if err = unix.EpollCtl(efd+1, unix.EPOLL_CTL_ADD, fd, &ev); err != unix.EBADF {
+		t.Errorf("EpollCtl: got %v when EpollCtl ADD called with invalid epfd, expected EBADF", err)
+	}
+
+	if err = unix.EpollCtl(efd, unix.EPOLL_CTL_ADD, fd, &ev); err != nil {
+		t.Fatalf("EpollCtl: %v", err)
+	}
+
+	if err = unix.EpollCtl(efd, unix.EPOLL_CTL_MOD, -2, &ev); err != unix.ENOENT {
+		t.Errorf("EpollCtl: got %v when EpollCtl MOD called with invalid fd, expected ENOENT", err)
+	}
+}
diff --git a/unix/fstatfs_zos.go b/unix/fstatfs_zos.go
new file mode 100644
index 0000000..e377cc9
--- /dev/null
+++ b/unix/fstatfs_zos.go
@@ -0,0 +1,164 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix
+
+import (
+	"unsafe"
+)
+
+// This file simulates fstatfs on z/OS using fstatvfs and w_getmntent.
+
+func Fstatfs(fd int, stat *Statfs_t) (err error) {
+	var stat_v Statvfs_t
+	err = Fstatvfs(fd, &stat_v)
+	if err == nil {
+		// populate stat
+		stat.Type = 0
+		stat.Bsize = stat_v.Bsize
+		stat.Blocks = stat_v.Blocks
+		stat.Bfree = stat_v.Bfree
+		stat.Bavail = stat_v.Bavail
+		stat.Files = stat_v.Files
+		stat.Ffree = stat_v.Ffree
+		stat.Fsid = stat_v.Fsid
+		stat.Namelen = stat_v.Namemax
+		stat.Frsize = stat_v.Frsize
+		stat.Flags = stat_v.Flag
+		for passn := 0; passn < 5; passn++ {
+			switch passn {
+			case 0:
+				err = tryGetmntent64(stat)
+				break
+			case 1:
+				err = tryGetmntent128(stat)
+				break
+			case 2:
+				err = tryGetmntent256(stat)
+				break
+			case 3:
+				err = tryGetmntent512(stat)
+				break
+			case 4:
+				err = tryGetmntent1024(stat)
+				break
+			default:
+				break
+			}
+			//proceed to return if: err is nil (found), err is nonnil but not ERANGE (another error occurred)
+			if err == nil || err != nil && err != ERANGE {
+				break
+			}
+		}
+	}
+	return err
+}
+
+func tryGetmntent64(stat *Statfs_t) (err error) {
+	var mnt_ent_buffer struct {
+		header       W_Mnth
+		filesys_info [64]W_Mntent
+	}
+	var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
+	fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
+	if err != nil {
+		return err
+	}
+	err = ERANGE //return ERANGE if no match is found in this batch
+	for i := 0; i < fs_count; i++ {
+		if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
+			stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
+			err = nil
+			break
+		}
+	}
+	return err
+}
+
+func tryGetmntent128(stat *Statfs_t) (err error) {
+	var mnt_ent_buffer struct {
+		header       W_Mnth
+		filesys_info [128]W_Mntent
+	}
+	var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
+	fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
+	if err != nil {
+		return err
+	}
+	err = ERANGE //return ERANGE if no match is found in this batch
+	for i := 0; i < fs_count; i++ {
+		if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
+			stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
+			err = nil
+			break
+		}
+	}
+	return err
+}
+
+func tryGetmntent256(stat *Statfs_t) (err error) {
+	var mnt_ent_buffer struct {
+		header       W_Mnth
+		filesys_info [256]W_Mntent
+	}
+	var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
+	fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
+	if err != nil {
+		return err
+	}
+	err = ERANGE //return ERANGE if no match is found in this batch
+	for i := 0; i < fs_count; i++ {
+		if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
+			stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
+			err = nil
+			break
+		}
+	}
+	return err
+}
+
+func tryGetmntent512(stat *Statfs_t) (err error) {
+	var mnt_ent_buffer struct {
+		header       W_Mnth
+		filesys_info [512]W_Mntent
+	}
+	var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
+	fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
+	if err != nil {
+		return err
+	}
+	err = ERANGE //return ERANGE if no match is found in this batch
+	for i := 0; i < fs_count; i++ {
+		if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
+			stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
+			err = nil
+			break
+		}
+	}
+	return err
+}
+
+func tryGetmntent1024(stat *Statfs_t) (err error) {
+	var mnt_ent_buffer struct {
+		header       W_Mnth
+		filesys_info [1024]W_Mntent
+	}
+	var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
+	fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
+	if err != nil {
+		return err
+	}
+	err = ERANGE //return ERANGE if no match is found in this batch
+	for i := 0; i < fs_count; i++ {
+		if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
+			stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
+			err = nil
+			break
+		}
+	}
+	return err
+}
diff --git a/unix/fstatfs_zos_test.go b/unix/fstatfs_zos_test.go
new file mode 100644
index 0000000..03899de
--- /dev/null
+++ b/unix/fstatfs_zos_test.go
@@ -0,0 +1,73 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix_test
+
+import (
+	"os"
+	"testing"
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+func TestFstatfs(t *testing.T) {
+
+	wd, err := os.Getwd()
+	if err != nil {
+		t.Fatal(err)
+	}
+	file, err := os.Open(wd)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	//Query Statfs_t and Statvfs_t from wd, check content
+	var stat unix.Statfs_t
+	err = unix.Fstatfs(int(file.Fd()), &stat)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var stat_v unix.Statvfs_t
+	err = unix.Fstatvfs(int(file.Fd()), &stat_v)
+	if stat.Bsize != stat_v.Bsize ||
+		stat.Blocks != stat_v.Blocks ||
+		stat.Bfree != stat_v.Bfree ||
+		stat.Bavail != stat_v.Bavail ||
+		stat.Files != stat_v.Files ||
+		stat.Ffree != stat_v.Ffree ||
+		stat.Fsid != stat_v.Fsid ||
+		stat.Namelen != stat_v.Namemax ||
+		stat.Frsize != stat_v.Frsize ||
+		stat.Flags != stat_v.Flag {
+		t.Errorf("Mismatching fields in Statfs_t and Statvfs_t.\nStatfs_t = %+v\nStatvfs_t = %+v", stat, stat_v)
+	}
+
+	//Initialize W_Mntent, find corresponding device and check filesystem type
+	var mnt_ent_buffer struct {
+		header       unix.W_Mnth
+		filesys_info [128]unix.W_Mntent
+	}
+	var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
+	var fs_count int = -1
+	for fs_count < 0 {
+		fs_count, err = unix.W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
+		if err != nil {
+			t.Fatal(err)
+		}
+		for i := 0; i < fs_count; i++ {
+			if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
+				correct_type := uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
+				if stat.Type != correct_type {
+					t.Errorf("File system type is 0x%x. Should be 0x%x instead", stat.Type, correct_type)
+				}
+				return
+			}
+		}
+	}
+
+}
diff --git a/unix/ioctl_zos.go b/unix/ioctl_zos.go
new file mode 100644
index 0000000..5384e7d
--- /dev/null
+++ b/unix/ioctl_zos.go
@@ -0,0 +1,74 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix
+
+import (
+	"runtime"
+	"unsafe"
+)
+
+// ioctl itself should not be exposed directly, but additional get/set
+// functions for specific types are permissible.
+
+// IoctlSetInt performs an ioctl operation which sets an integer value
+// on fd, using the specified request number.
+func IoctlSetInt(fd int, req uint, value int) error {
+	return ioctl(fd, req, uintptr(value))
+}
+
+// IoctlSetWinsize performs an ioctl on fd with a *Winsize argument.
+//
+// To change fd's window size, the req argument should be TIOCSWINSZ.
+func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+	// TODO: if we get the chance, remove the req parameter and
+	// hardcode TIOCSWINSZ.
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+	runtime.KeepAlive(value)
+	return err
+}
+
+// IoctlSetTermios performs an ioctl on fd with a *Termios.
+//
+// The req value is expected to be TCSETS, TCSETSW, or TCSETSF
+func IoctlSetTermios(fd int, req uint, value *Termios) error {
+	if (req != TCSETS) && (req != TCSETSW) && (req != TCSETSF) {
+		return ENOSYS
+	}
+	err := Tcsetattr(fd, int(req), value)
+	runtime.KeepAlive(value)
+	return err
+}
+
+// IoctlGetInt performs an ioctl operation which gets an integer value
+// from fd, using the specified request number.
+//
+// A few ioctl requests use the return value as an output parameter;
+// for those, IoctlRetInt should be used instead of this function.
+func IoctlGetInt(fd int, req uint) (int, error) {
+	var value int
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return value, err
+}
+
+func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
+	var value Winsize
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+// IoctlGetTermios performs an ioctl on fd with a *Termios.
+//
+// The req value is expected to be TCGETS
+func IoctlGetTermios(fd int, req uint) (*Termios, error) {
+	var value Termios
+	if req != TCGETS {
+		return &value, ENOSYS
+	}
+	err := Tcgetattr(fd, &value)
+	return &value, err
+}
diff --git a/unix/mmap_zos_test.go b/unix/mmap_zos_test.go
new file mode 100644
index 0000000..4c17182
--- /dev/null
+++ b/unix/mmap_zos_test.go
@@ -0,0 +1,87 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+// This test is based on mmap_unix_test, but tweaked for z/OS, which does not support memadvise
+// or anonymous mmapping.
+
+package unix_test
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"golang.org/x/sys/unix"
+)
+
+func TestMmap(t *testing.T) {
+	tmpdir := mktmpdir(t)
+	filename := filepath.Join(filepath.Join(tmpdir, "testdata"), "memmapped_file")
+	destination, err := os.Create(filename)
+	if err != nil {
+		t.Fatal("os.Create:", err)
+		return
+	}
+	defer os.RemoveAll(tmpdir)
+
+	fmt.Fprintf(destination, "%s\n", "0 <- Flipped between 0 and 1 when test runs successfully")
+	fmt.Fprintf(destination, "%s\n", "//Do not change contents - mmap test relies on this")
+	destination.Close()
+	fd, err := unix.Open(filename, unix.O_RDWR, 0o777)
+	if err != nil {
+		t.Fatalf("Open: %v", err)
+	}
+
+	b, err := unix.Mmap(fd, 0, 8, unix.PROT_READ, unix.MAP_SHARED)
+	if err != nil {
+		t.Fatalf("Mmap: %v", err)
+	}
+
+	if err := unix.Mprotect(b, unix.PROT_READ|unix.PROT_WRITE); err != nil {
+		t.Fatalf("Mprotect: %v", err)
+	}
+
+	// Flip flag in test file via mapped memory
+	flagWasZero := true
+	if b[0] == '0' {
+		b[0] = '1'
+	} else if b[0] == '1' {
+		b[0] = '0'
+		flagWasZero = false
+	}
+
+	if err := unix.Msync(b, unix.MS_SYNC); err != nil {
+		t.Fatalf("Msync: %v", err)
+	}
+
+	// Read file from FS to ensure flag flipped after msync
+	buf, err := ioutil.ReadFile(filename)
+	if err != nil {
+		t.Fatalf("Could not read mmapped file from disc for test: %v", err)
+	}
+	if flagWasZero && buf[0] != '1' || !flagWasZero && buf[0] != '0' {
+		t.Error("Flag flip in MAP_SHARED mmapped file not visible")
+	}
+
+	if err := unix.Munmap(b); err != nil {
+		t.Fatalf("Munmap: %v", err)
+	}
+}
+
+func mktmpdir(t *testing.T) string {
+	tmpdir, err := ioutil.TempDir("", "memmapped_file")
+	if err != nil {
+		t.Fatal("mktmpdir:", err)
+	}
+	if err := os.Mkdir(filepath.Join(tmpdir, "testdata"), 0700); err != nil {
+		os.RemoveAll(tmpdir)
+		t.Fatal("mktmpdir:", err)
+	}
+	return tmpdir
+}
diff --git a/unix/race0.go b/unix/race0.go
index 64a6198..706e132 100644
--- a/unix/race0.go
+++ b/unix/race0.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || (darwin && !race) || (linux && !race) || (freebsd && !race) || netbsd || openbsd || solaris || dragonfly
-// +build aix darwin,!race linux,!race freebsd,!race netbsd openbsd solaris dragonfly
+//go:build aix || (darwin && !race) || (linux && !race) || (freebsd && !race) || netbsd || openbsd || solaris || dragonfly || zos
+// +build aix darwin,!race linux,!race freebsd,!race netbsd openbsd solaris dragonfly zos
 
 package unix
 
diff --git a/unix/sockcmsg_unix.go b/unix/sockcmsg_unix.go
index 5a10591..453a942 100644
--- a/unix/sockcmsg_unix.go
+++ b/unix/sockcmsg_unix.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 // Socket control messages
 
diff --git a/unix/sockcmsg_unix_other.go b/unix/sockcmsg_unix_other.go
index 773c4da..0840fe4 100644
--- a/unix/sockcmsg_unix_other.go
+++ b/unix/sockcmsg_unix_other.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || darwin || freebsd || linux || netbsd || openbsd || solaris
-// +build aix darwin freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin freebsd linux netbsd openbsd solaris zos
 
 package unix
 
@@ -37,6 +37,10 @@
 		if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
 			salign = 16
 		}
+	case "zos":
+		// z/OS socket macros use [32-bit] sizeof(int) alignment,
+		// not pointer width.
+		salign = SizeofInt
 	}
 
 	return (salen + salign - 1) & ^(salign - 1)
diff --git a/unix/syscall.go b/unix/syscall.go
index fe7033f..649fa87 100644
--- a/unix/syscall.go
+++ b/unix/syscall.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 // Package unix contains an interface to the low-level operating system
 // primitives. OS details vary depending on the underlying system, and
diff --git a/unix/syscall_zos_s390x.go b/unix/syscall_zos_s390x.go
new file mode 100644
index 0000000..13f58d2
--- /dev/null
+++ b/unix/syscall_zos_s390x.go
@@ -0,0 +1,1781 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix
+
+import (
+	"bytes"
+	"runtime"
+	"sort"
+	"sync"
+	"syscall"
+	"unsafe"
+)
+
+const (
+	O_CLOEXEC = 0       // Dummy value (not supported).
+	AF_LOCAL  = AF_UNIX // AF_LOCAL is an alias for AF_UNIX
+)
+
+func syscall_syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_rawsyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_rawsyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_rawsyscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
+
+func copyStat(stat *Stat_t, statLE *Stat_LE_t) {
+	stat.Dev = uint64(statLE.Dev)
+	stat.Ino = uint64(statLE.Ino)
+	stat.Nlink = uint64(statLE.Nlink)
+	stat.Mode = uint32(statLE.Mode)
+	stat.Uid = uint32(statLE.Uid)
+	stat.Gid = uint32(statLE.Gid)
+	stat.Rdev = uint64(statLE.Rdev)
+	stat.Size = statLE.Size
+	stat.Atim.Sec = int64(statLE.Atim)
+	stat.Atim.Nsec = 0 //zos doesn't return nanoseconds
+	stat.Mtim.Sec = int64(statLE.Mtim)
+	stat.Mtim.Nsec = 0 //zos doesn't return nanoseconds
+	stat.Ctim.Sec = int64(statLE.Ctim)
+	stat.Ctim.Nsec = 0 //zos doesn't return nanoseconds
+	stat.Blksize = int64(statLE.Blksize)
+	stat.Blocks = statLE.Blocks
+}
+
+func svcCall(fnptr unsafe.Pointer, argv *unsafe.Pointer, dsa *uint64)
+func svcLoad(name *byte) unsafe.Pointer
+func svcUnload(name *byte, fnptr unsafe.Pointer) int64
+
+func (d *Dirent) NameString() string {
+	if d == nil {
+		return ""
+	}
+	return string(d.Name[:d.Namlen])
+}
+
+func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	if sa.Port < 0 || sa.Port > 0xFFFF {
+		return nil, 0, EINVAL
+	}
+	sa.raw.Len = SizeofSockaddrInet4
+	sa.raw.Family = AF_INET
+	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
+	p[0] = byte(sa.Port >> 8)
+	p[1] = byte(sa.Port)
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
+}
+
+func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	if sa.Port < 0 || sa.Port > 0xFFFF {
+		return nil, 0, EINVAL
+	}
+	sa.raw.Len = SizeofSockaddrInet6
+	sa.raw.Family = AF_INET6
+	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
+	p[0] = byte(sa.Port >> 8)
+	p[1] = byte(sa.Port)
+	sa.raw.Scope_id = sa.ZoneId
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
+}
+
+func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	name := sa.Name
+	n := len(name)
+	if n >= len(sa.raw.Path) || n == 0 {
+		return nil, 0, EINVAL
+	}
+	sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL
+	sa.raw.Family = AF_UNIX
+	for i := 0; i < n; i++ {
+		sa.raw.Path[i] = int8(name[i])
+	}
+	return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
+}
+
+func anyToSockaddr(_ int, rsa *RawSockaddrAny) (Sockaddr, error) {
+	// TODO(neeilan): Implement use of first param (fd)
+	switch rsa.Addr.Family {
+	case AF_UNIX:
+		pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
+		sa := new(SockaddrUnix)
+		// For z/OS, only replace NUL with @ when the
+		// length is not zero.
+		if pp.Len != 0 && pp.Path[0] == 0 {
+			// "Abstract" Unix domain socket.
+			// Rewrite leading NUL as @ for textual display.
+			// (This is the standard convention.)
+			// Not friendly to overwrite in place,
+			// but the callers below don't care.
+			pp.Path[0] = '@'
+		}
+
+		// Assume path ends at NUL.
+		//
+		// For z/OS, the length of the name is a field
+		// in the structure. To be on the safe side, we
+		// will still scan the name for a NUL but only
+		// to the length provided in the structure.
+		//
+		// This is not technically the Linux semantics for
+		// abstract Unix domain sockets--they are supposed
+		// to be uninterpreted fixed-size binary blobs--but
+		// everyone uses this convention.
+		n := 0
+		for n < int(pp.Len) && pp.Path[n] != 0 {
+			n++
+		}
+		bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+		sa.Name = string(bytes)
+		return sa, nil
+
+	case AF_INET:
+		pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
+		sa := new(SockaddrInet4)
+		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
+		sa.Port = int(p[0])<<8 + int(p[1])
+		for i := 0; i < len(sa.Addr); i++ {
+			sa.Addr[i] = pp.Addr[i]
+		}
+		return sa, nil
+
+	case AF_INET6:
+		pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
+		sa := new(SockaddrInet6)
+		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
+		sa.Port = int(p[0])<<8 + int(p[1])
+		sa.ZoneId = pp.Scope_id
+		for i := 0; i < len(sa.Addr); i++ {
+			sa.Addr[i] = pp.Addr[i]
+		}
+		return sa, nil
+	}
+	return nil, EAFNOSUPPORT
+}
+
+func Accept(fd int) (nfd int, sa Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len _Socklen = SizeofSockaddrAny
+	nfd, err = accept(fd, &rsa, &len)
+	if err != nil {
+		return
+	}
+	// TODO(neeilan): Remove 0 in call
+	sa, err = anyToSockaddr(0, &rsa)
+	if err != nil {
+		Close(nfd)
+		nfd = 0
+	}
+	return
+}
+
+func (iov *Iovec) SetLen(length int) {
+	iov.Len = uint64(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+	msghdr.Controllen = int32(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+	cmsg.Len = int32(length)
+}
+
+//sys   fcntl(fd int, cmd int, arg int) (val int, err error)
+//sys	read(fd int, p []byte) (n int, err error)
+//sys   readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
+//sys	write(fd int, p []byte) (n int, err error)
+
+//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) = SYS___ACCEPT_A
+//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) = SYS___BIND_A
+//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) = SYS___CONNECT_A
+//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
+//sysnb	setgroups(n int, list *_Gid_t) (err error)
+//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
+//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
+//sysnb	socket(domain int, typ int, proto int) (fd int, err error)
+//sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
+//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = SYS___GETPEERNAME_A
+//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = SYS___GETSOCKNAME_A
+//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) = SYS___RECVFROM_A
+//sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) = SYS___SENDTO_A
+//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = SYS___RECVMSG_A
+//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = SYS___SENDMSG_A
+//sys   mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) = SYS_MMAP
+//sys   munmap(addr uintptr, length uintptr) (err error) = SYS_MUNMAP
+//sys   ioctl(fd int, req uint, arg uintptr) (err error) = SYS_IOCTL
+
+//sys   Access(path string, mode uint32) (err error) = SYS___ACCESS_A
+//sys   Chdir(path string) (err error) = SYS___CHDIR_A
+//sys	Chown(path string, uid int, gid int) (err error) = SYS___CHOWN_A
+//sys	Chmod(path string, mode uint32) (err error) = SYS___CHMOD_A
+//sys   Creat(path string, mode uint32) (fd int, err error) = SYS___CREAT_A
+//sys	Dup(oldfd int) (fd int, err error)
+//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	Exit(code int)
+//sys	Fchdir(fd int) (err error)
+//sys	Fchmod(fd int, mode uint32) (err error)
+//sys	Fchown(fd int, uid int, gid int) (err error)
+//sys	FcntlInt(fd uintptr, cmd int, arg int) (retval int, err error) = SYS_FCNTL
+//sys	fstat(fd int, stat *Stat_LE_t) (err error)
+
+func Fstat(fd int, stat *Stat_t) (err error) {
+	var statLE Stat_LE_t
+	err = fstat(fd, &statLE)
+	copyStat(stat, &statLE)
+	return
+}
+
+//sys	Fstatvfs(fd int, stat *Statvfs_t) (err error) = SYS_FSTATVFS
+//sys	Fsync(fd int) (err error)
+//sys	Ftruncate(fd int, length int64) (err error)
+//sys   Getpagesize() (pgsize int) = SYS_GETPAGESIZE
+//sys   Mprotect(b []byte, prot int) (err error) = SYS_MPROTECT
+//sys   Msync(b []byte, flags int) (err error) = SYS_MSYNC
+//sys   Poll(fds []PollFd, timeout int) (n int, err error) = SYS_POLL
+//sys   Times(tms *Tms) (ticks uintptr, err error) = SYS_TIMES
+//sys   W_Getmntent(buff *byte, size int) (lastsys int, err error) = SYS_W_GETMNTENT
+
+//sys   Mount(path string, filesystem string, fstype string, mtm uint32, parmlen int32, parm string) (err error) = SYS___MOUNT_A
+//sys   Unmount(filesystem string, mtm int) (err error) = SYS___UMOUNT_A
+//sys   Chroot(path string) (err error) = SYS___CHROOT_A
+//sysnb Uname(buf *Utsname) (err error) = SYS___UNAME_A
+
+func Ptsname(fd int) (name string, err error) {
+	r0, _, e1 := syscall_syscall(SYS___PTSNAME_A, uintptr(fd), 0, 0)
+	name = u2s(unsafe.Pointer(r0))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func u2s(cstr unsafe.Pointer) string {
+	str := (*[1024]uint8)(cstr)
+	i := 0
+	for str[i] != 0 {
+		i++
+	}
+	return string(str[:i])
+}
+
+func Close(fd int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_CLOSE, uintptr(fd), 0, 0)
+	for i := 0; e1 == EAGAIN && i < 10; i++ {
+		_, _, _ = syscall_syscall(SYS_USLEEP, uintptr(10), 0, 0)
+		_, _, e1 = syscall_syscall(SYS_CLOSE, uintptr(fd), 0, 0)
+	}
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+var mapper = &mmapper{
+	active: make(map[*byte][]byte),
+	mmap:   mmap,
+	munmap: munmap,
+}
+
+// Dummy function: there are no semantics for Madvise on z/OS
+func Madvise(b []byte, advice int) (err error) {
+	return
+}
+
+func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
+	return mapper.Mmap(fd, offset, length, prot, flags)
+}
+
+func Munmap(b []byte) (err error) {
+	return mapper.Munmap(b)
+}
+
+//sys   Gethostname(buf []byte) (err error) = SYS___GETHOSTNAME_A
+//sysnb	Getegid() (egid int)
+//sysnb	Geteuid() (uid int)
+//sysnb	Getgid() (gid int)
+//sysnb	Getpid() (pid int)
+//sysnb	Getpgid(pid int) (pgid int, err error) = SYS_GETPGID
+
+func Getpgrp() (pid int) {
+	pid, _ = Getpgid(0)
+	return
+}
+
+//sysnb	Getppid() (pid int)
+//sys	Getpriority(which int, who int) (prio int, err error)
+//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error) = SYS_GETRLIMIT
+
+//sysnb getrusage(who int, rusage *rusage_zos) (err error) = SYS_GETRUSAGE
+
+func Getrusage(who int, rusage *Rusage) (err error) {
+	var ruz rusage_zos
+	err = getrusage(who, &ruz)
+	//Only the first two fields of Rusage are set
+	rusage.Utime.Sec = ruz.Utime.Sec
+	rusage.Utime.Usec = int64(ruz.Utime.Usec)
+	rusage.Stime.Sec = ruz.Stime.Sec
+	rusage.Stime.Usec = int64(ruz.Stime.Usec)
+	return
+}
+
+//sysnb Getsid(pid int) (sid int, err error) = SYS_GETSID
+//sysnb	Getuid() (uid int)
+//sysnb	Kill(pid int, sig Signal) (err error)
+//sys	Lchown(path string, uid int, gid int) (err error) = SYS___LCHOWN_A
+//sys	Link(path string, link string) (err error) = SYS___LINK_A
+//sys	Listen(s int, n int) (err error)
+//sys	lstat(path string, stat *Stat_LE_t) (err error) = SYS___LSTAT_A
+
+func Lstat(path string, stat *Stat_t) (err error) {
+	var statLE Stat_LE_t
+	err = lstat(path, &statLE)
+	copyStat(stat, &statLE)
+	return
+}
+
+//sys	Mkdir(path string, mode uint32) (err error) = SYS___MKDIR_A
+//sys   Mkfifo(path string, mode uint32) (err error) = SYS___MKFIFO_A
+//sys	Mknod(path string, mode uint32, dev int) (err error) = SYS___MKNOD_A
+//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
+//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	Readlink(path string, buf []byte) (n int, err error) = SYS___READLINK_A
+//sys	Rename(from string, to string) (err error) = SYS___RENAME_A
+//sys	Rmdir(path string) (err error) = SYS___RMDIR_A
+//sys   Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
+//sys	Setpriority(which int, who int, prio int) (err error)
+//sysnb	Setpgid(pid int, pgid int) (err error) = SYS_SETPGID
+//sysnb	Setrlimit(resource int, lim *Rlimit) (err error)
+//sysnb	Setregid(rgid int, egid int) (err error) = SYS_SETREGID
+//sysnb	Setreuid(ruid int, euid int) (err error) = SYS_SETREUID
+//sysnb	Setsid() (pid int, err error) = SYS_SETSID
+//sys	Setuid(uid int) (err error) = SYS_SETUID
+//sys	Setgid(uid int) (err error) = SYS_SETGID
+//sys	Shutdown(fd int, how int) (err error)
+//sys	stat(path string, statLE *Stat_LE_t) (err error) = SYS___STAT_A
+
+func Stat(path string, sta *Stat_t) (err error) {
+	var statLE Stat_LE_t
+	err = stat(path, &statLE)
+	copyStat(sta, &statLE)
+	return
+}
+
+//sys	Symlink(path string, link string) (err error) = SYS___SYMLINK_A
+//sys	Sync() = SYS_SYNC
+//sys	Truncate(path string, length int64) (err error) = SYS___TRUNCATE_A
+//sys	Tcgetattr(fildes int, termptr *Termios) (err error) = SYS_TCGETATTR
+//sys	Tcsetattr(fildes int, when int, termptr *Termios) (err error) = SYS_TCSETATTR
+//sys	Umask(mask int) (oldmask int)
+//sys	Unlink(path string) (err error) = SYS___UNLINK_A
+//sys	Utime(path string, utim *Utimbuf) (err error) = SYS___UTIME_A
+
+//sys	open(path string, mode int, perm uint32) (fd int, err error) = SYS___OPEN_A
+
+func Open(path string, mode int, perm uint32) (fd int, err error) {
+	return open(path, mode, perm)
+}
+
+func Mkfifoat(dirfd int, path string, mode uint32) (err error) {
+	wd, err := Getwd()
+	if err != nil {
+		return err
+	}
+
+	if err := Fchdir(dirfd); err != nil {
+		return err
+	}
+	defer Chdir(wd)
+
+	return Mkfifo(path, mode)
+}
+
+//sys	remove(path string) (err error)
+
+func Remove(path string) error {
+	return remove(path)
+}
+
+const ImplementsGetwd = true
+
+func Getcwd(buf []byte) (n int, err error) {
+	var p unsafe.Pointer
+	if len(buf) > 0 {
+		p = unsafe.Pointer(&buf[0])
+	} else {
+		p = unsafe.Pointer(&_zero)
+	}
+	_, _, e := syscall_syscall(SYS___GETCWD_A, uintptr(p), uintptr(len(buf)), 0)
+	n = clen(buf) + 1
+	if e != 0 {
+		err = errnoErr(e)
+	}
+	return
+}
+
+func Getwd() (wd string, err error) {
+	var buf [PathMax]byte
+	n, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	// Getcwd returns the number of bytes written to buf, including the NUL.
+	if n < 1 || n > len(buf) || buf[n-1] != 0 {
+		return "", EINVAL
+	}
+	return string(buf[0 : n-1]), nil
+}
+
+func Getgroups() (gids []int, err error) {
+	n, err := getgroups(0, nil)
+	if err != nil {
+		return nil, err
+	}
+	if n == 0 {
+		return nil, nil
+	}
+
+	// Sanity check group count.  Max is 1<<16 on Linux.
+	if n < 0 || n > 1<<20 {
+		return nil, EINVAL
+	}
+
+	a := make([]_Gid_t, n)
+	n, err = getgroups(n, &a[0])
+	if err != nil {
+		return nil, err
+	}
+	gids = make([]int, n)
+	for i, v := range a[0:n] {
+		gids[i] = int(v)
+	}
+	return
+}
+
+func Setgroups(gids []int) (err error) {
+	if len(gids) == 0 {
+		return setgroups(0, nil)
+	}
+
+	a := make([]_Gid_t, len(gids))
+	for i, v := range gids {
+		a[i] = _Gid_t(v)
+	}
+	return setgroups(len(a), &a[0])
+}
+
+func gettid() uint64
+
+func Gettid() (tid int) {
+	return int(gettid())
+}
+
+type WaitStatus uint32
+
+// Wait status is 7 bits at bottom, either 0 (exited),
+// 0x7F (stopped), or a signal number that caused an exit.
+// The 0x80 bit is whether there was a core dump.
+// An extra number (exit code, signal causing a stop)
+// is in the high bits.  At least that's the idea.
+// There are various irregularities.  For example, the
+// "continued" status is 0xFFFF, distinguishing itself
+// from stopped via the core dump bit.
+
+const (
+	mask    = 0x7F
+	core    = 0x80
+	exited  = 0x00
+	stopped = 0x7F
+	shift   = 8
+)
+
+func (w WaitStatus) Exited() bool { return w&mask == exited }
+
+func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != exited }
+
+func (w WaitStatus) Stopped() bool { return w&0xFF == stopped }
+
+func (w WaitStatus) Continued() bool { return w == 0xFFFF }
+
+func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
+
+func (w WaitStatus) ExitStatus() int {
+	if !w.Exited() {
+		return -1
+	}
+	return int(w>>shift) & 0xFF
+}
+
+func (w WaitStatus) Signal() Signal {
+	if !w.Signaled() {
+		return -1
+	}
+	return Signal(w & mask)
+}
+
+func (w WaitStatus) StopSignal() Signal {
+	if !w.Stopped() {
+		return -1
+	}
+	return Signal(w>>shift) & 0xFF
+}
+
+func (w WaitStatus) TrapCause() int { return -1 }
+
+//sys	waitpid(pid int, wstatus *_C_int, options int) (wpid int, err error)
+
+func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
+	// TODO(mundaym): z/OS doesn't have wait4. I don't think getrusage does what we want.
+	// At the moment rusage will not be touched.
+	var status _C_int
+	wpid, err = waitpid(pid, &status, options)
+	if wstatus != nil {
+		*wstatus = WaitStatus(status)
+	}
+	return
+}
+
+//sysnb	gettimeofday(tv *timeval_zos) (err error)
+
+func Gettimeofday(tv *Timeval) (err error) {
+	var tvz timeval_zos
+	err = gettimeofday(&tvz)
+	tv.Sec = tvz.Sec
+	tv.Usec = int64(tvz.Usec)
+	return
+}
+
+func Time(t *Time_t) (tt Time_t, err error) {
+	var tv Timeval
+	err = Gettimeofday(&tv)
+	if err != nil {
+		return 0, err
+	}
+	if t != nil {
+		*t = Time_t(tv.Sec)
+	}
+	return Time_t(tv.Sec), nil
+}
+
+func setTimespec(sec, nsec int64) Timespec {
+	return Timespec{Sec: sec, Nsec: nsec}
+}
+
+func setTimeval(sec, usec int64) Timeval { //fix
+	return Timeval{Sec: sec, Usec: usec}
+}
+
+//sysnb pipe(p *[2]_C_int) (err error)
+
+func Pipe(p []int) (err error) {
+	if len(p) != 2 {
+		return EINVAL
+	}
+	var pp [2]_C_int
+	err = pipe(&pp)
+	p[0] = int(pp[0])
+	p[1] = int(pp[1])
+	return
+}
+
+//sys	utimes(path string, timeval *[2]Timeval) (err error) = SYS___UTIMES_A
+
+func Utimes(path string, tv []Timeval) (err error) {
+	if len(tv) != 2 {
+		return EINVAL
+	}
+	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
+func UtimesNano(path string, ts []Timespec) error {
+	if len(ts) != 2 {
+		return EINVAL
+	}
+	// Not as efficient as it could be because Timespec and
+	// Timeval have different types in the different OSes
+	tv := [2]Timeval{
+		NsecToTimeval(TimespecToNsec(ts[0])),
+		NsecToTimeval(TimespecToNsec(ts[1])),
+	}
+	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
+func Getsockname(fd int) (sa Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len _Socklen = SizeofSockaddrAny
+	if err = getsockname(fd, &rsa, &len); err != nil {
+		return
+	}
+	// TODO(neeilan) : Remove this 0 ( added to get sys/unix compiling on z/OS )
+	return anyToSockaddr(0, &rsa)
+}
+
+const (
+	// identifier constants
+	nwmHeaderIdentifier    = 0xd5e6d4c8
+	nwmFilterIdentifier    = 0xd5e6d4c6
+	nwmTCPConnIdentifier   = 0xd5e6d4c3
+	nwmRecHeaderIdentifier = 0xd5e6d4d9
+	nwmIPStatsIdentifier   = 0xd5e6d4c9d7e2e340
+	nwmIPGStatsIdentifier  = 0xd5e6d4c9d7c7e2e3
+	nwmTCPStatsIdentifier  = 0xd5e6d4e3c3d7e2e3
+	nwmUDPStatsIdentifier  = 0xd5e6d4e4c4d7e2e3
+	nwmICMPGStatsEntry     = 0xd5e6d4c9c3d4d7c7
+	nwmICMPTStatsEntry     = 0xd5e6d4c9c3d4d7e3
+
+	// nwmHeader constants
+	nwmVersion1   = 1
+	nwmVersion2   = 2
+	nwmCurrentVer = 2
+
+	nwmTCPConnType     = 1
+	nwmGlobalStatsType = 14
+
+	// nwmFilter constants
+	nwmFilterLclAddrMask = 0x20000000 // Local address
+	nwmFilterSrcAddrMask = 0x20000000 // Source address
+	nwmFilterLclPortMask = 0x10000000 // Local port
+	nwmFilterSrcPortMask = 0x10000000 // Source port
+
+	// nwmConnEntry constants
+	nwmTCPStateClosed   = 1
+	nwmTCPStateListen   = 2
+	nwmTCPStateSynSent  = 3
+	nwmTCPStateSynRcvd  = 4
+	nwmTCPStateEstab    = 5
+	nwmTCPStateFinWait1 = 6
+	nwmTCPStateFinWait2 = 7
+	nwmTCPStateClosWait = 8
+	nwmTCPStateLastAck  = 9
+	nwmTCPStateClosing  = 10
+	nwmTCPStateTimeWait = 11
+	nwmTCPStateDeletTCB = 12
+
+	// Existing constants on linux
+	BPF_TCP_CLOSE        = 1
+	BPF_TCP_LISTEN       = 2
+	BPF_TCP_SYN_SENT     = 3
+	BPF_TCP_SYN_RECV     = 4
+	BPF_TCP_ESTABLISHED  = 5
+	BPF_TCP_FIN_WAIT1    = 6
+	BPF_TCP_FIN_WAIT2    = 7
+	BPF_TCP_CLOSE_WAIT   = 8
+	BPF_TCP_LAST_ACK     = 9
+	BPF_TCP_CLOSING      = 10
+	BPF_TCP_TIME_WAIT    = 11
+	BPF_TCP_NEW_SYN_RECV = -1
+	BPF_TCP_MAX_STATES   = -2
+)
+
+type nwmTriplet struct {
+	offset uint32
+	length uint32
+	number uint32
+}
+
+type nwmQuadruplet struct {
+	offset uint32
+	length uint32
+	number uint32
+	match  uint32
+}
+
+type nwmHeader struct {
+	ident       uint32
+	length      uint32
+	version     uint16
+	nwmType     uint16
+	bytesNeeded uint32
+	options     uint32
+	_           [16]byte
+	inputDesc   nwmTriplet
+	outputDesc  nwmQuadruplet
+}
+
+type nwmFilter struct {
+	ident         uint32
+	flags         uint32
+	resourceName  [8]byte
+	resourceId    uint32
+	listenerId    uint32
+	local         [28]byte // union of sockaddr4 and sockaddr6
+	remote        [28]byte // union of sockaddr4 and sockaddr6
+	_             uint16
+	_             uint16
+	asid          uint16
+	_             [2]byte
+	tnLuName      [8]byte
+	tnMonGrp      uint32
+	tnAppl        [8]byte
+	applData      [40]byte
+	nInterface    [16]byte
+	dVipa         [16]byte
+	dVipaPfx      uint16
+	dVipaPort     uint16
+	dVipaFamily   byte
+	_             [3]byte
+	destXCF       [16]byte
+	destXCFPfx    uint16
+	destXCFFamily byte
+	_             [1]byte
+	targIP        [16]byte
+	targIPPfx     uint16
+	targIPFamily  byte
+	_             [1]byte
+	_             [20]byte
+}
+
+type nwmRecHeader struct {
+	ident  uint32
+	length uint32
+	number byte
+	_      [3]byte
+}
+
+type nwmTCPStatsEntry struct {
+	ident             uint64
+	currEstab         uint32
+	activeOpened      uint32
+	passiveOpened     uint32
+	connClosed        uint32
+	estabResets       uint32
+	attemptFails      uint32
+	passiveDrops      uint32
+	timeWaitReused    uint32
+	inSegs            uint64
+	predictAck        uint32
+	predictData       uint32
+	inDupAck          uint32
+	inBadSum          uint32
+	inBadLen          uint32
+	inShort           uint32
+	inDiscOldTime     uint32
+	inAllBeforeWin    uint32
+	inSomeBeforeWin   uint32
+	inAllAfterWin     uint32
+	inSomeAfterWin    uint32
+	inOutOfOrder      uint32
+	inAfterClose      uint32
+	inWinProbes       uint32
+	inWinUpdates      uint32
+	outWinUpdates     uint32
+	outSegs           uint64
+	outDelayAcks      uint32
+	outRsts           uint32
+	retransSegs       uint32
+	retransTimeouts   uint32
+	retransDrops      uint32
+	pmtuRetrans       uint32
+	pmtuErrors        uint32
+	outWinProbes      uint32
+	probeDrops        uint32
+	keepAliveProbes   uint32
+	keepAliveDrops    uint32
+	finwait2Drops     uint32
+	acceptCount       uint64
+	inBulkQSegs       uint64
+	inDiscards        uint64
+	connFloods        uint32
+	connStalls        uint32
+	cfgEphemDef       uint16
+	ephemInUse        uint16
+	ephemHiWater      uint16
+	flags             byte
+	_                 [1]byte
+	ephemExhaust      uint32
+	smcRCurrEstabLnks uint32
+	smcRLnkActTimeOut uint32
+	smcRActLnkOpened  uint32
+	smcRPasLnkOpened  uint32
+	smcRLnksClosed    uint32
+	smcRCurrEstab     uint32
+	smcRActiveOpened  uint32
+	smcRPassiveOpened uint32
+	smcRConnClosed    uint32
+	smcRInSegs        uint64
+	smcROutSegs       uint64
+	smcRInRsts        uint32
+	smcROutRsts       uint32
+	smcDCurrEstabLnks uint32
+	smcDActLnkOpened  uint32
+	smcDPasLnkOpened  uint32
+	smcDLnksClosed    uint32
+	smcDCurrEstab     uint32
+	smcDActiveOpened  uint32
+	smcDPassiveOpened uint32
+	smcDConnClosed    uint32
+	smcDInSegs        uint64
+	smcDOutSegs       uint64
+	smcDInRsts        uint32
+	smcDOutRsts       uint32
+}
+
+type nwmConnEntry struct {
+	ident             uint32
+	local             [28]byte // union of sockaddr4 and sockaddr6
+	remote            [28]byte // union of sockaddr4 and sockaddr6
+	startTime         [8]byte  // uint64, changed to prevent padding from being inserted
+	lastActivity      [8]byte  // uint64
+	bytesIn           [8]byte  // uint64
+	bytesOut          [8]byte  // uint64
+	inSegs            [8]byte  // uint64
+	outSegs           [8]byte  // uint64
+	state             uint16
+	activeOpen        byte
+	flag01            byte
+	outBuffered       uint32
+	inBuffered        uint32
+	maxSndWnd         uint32
+	reXmtCount        uint32
+	congestionWnd     uint32
+	ssThresh          uint32
+	roundTripTime     uint32
+	roundTripVar      uint32
+	sendMSS           uint32
+	sndWnd            uint32
+	rcvBufSize        uint32
+	sndBufSize        uint32
+	outOfOrderCount   uint32
+	lcl0WindowCount   uint32
+	rmt0WindowCount   uint32
+	dupacks           uint32
+	flag02            byte
+	sockOpt6Cont      byte
+	asid              uint16
+	resourceName      [8]byte
+	resourceId        uint32
+	subtask           uint32
+	sockOpt           byte
+	sockOpt6          byte
+	clusterConnFlag   byte
+	proto             byte
+	targetAppl        [8]byte
+	luName            [8]byte
+	clientUserId      [8]byte
+	logMode           [8]byte
+	timeStamp         uint32
+	timeStampAge      uint32
+	serverResourceId  uint32
+	intfName          [16]byte
+	ttlsStatPol       byte
+	ttlsStatConn      byte
+	ttlsSSLProt       uint16
+	ttlsNegCiph       [2]byte
+	ttlsSecType       byte
+	ttlsFIPS140Mode   byte
+	ttlsUserID        [8]byte
+	applData          [40]byte
+	inOldestTime      [8]byte // uint64
+	outOldestTime     [8]byte // uint64
+	tcpTrustedPartner byte
+	_                 [3]byte
+	bulkDataIntfName  [16]byte
+	ttlsNegCiph4      [4]byte
+	smcReason         uint32
+	lclSMCLinkId      uint32
+	rmtSMCLinkId      uint32
+	smcStatus         byte
+	smcFlags          byte
+	_                 [2]byte
+	rcvWnd            uint32
+	lclSMCBufSz       uint32
+	rmtSMCBufSz       uint32
+	ttlsSessID        [32]byte
+	ttlsSessIDLen     int16
+	_                 [1]byte
+	smcDStatus        byte
+	smcDReason        uint32
+}
+
+var svcNameTable [][]byte = [][]byte{
+	[]byte("\xc5\xe9\xc2\xd5\xd4\xc9\xc6\xf4"), // svc_EZBNMIF4
+}
+
+const (
+	svc_EZBNMIF4 = 0
+)
+
+func GetsockoptTCPInfo(fd, level, opt int) (*TCPInfo, error) {
+	jobname := []byte("\x5c\x40\x40\x40\x40\x40\x40\x40") // "*"
+	responseBuffer := [4096]byte{0}
+	var bufferAlet, reasonCode uint32 = 0, 0
+	var bufferLen, returnValue, returnCode int32 = 4096, 0, 0
+
+	dsa := [18]uint64{0}
+	var argv [7]unsafe.Pointer
+	argv[0] = unsafe.Pointer(&jobname[0])
+	argv[1] = unsafe.Pointer(&responseBuffer[0])
+	argv[2] = unsafe.Pointer(&bufferAlet)
+	argv[3] = unsafe.Pointer(&bufferLen)
+	argv[4] = unsafe.Pointer(&returnValue)
+	argv[5] = unsafe.Pointer(&returnCode)
+	argv[6] = unsafe.Pointer(&reasonCode)
+
+	request := (*struct {
+		header nwmHeader
+		filter nwmFilter
+	})(unsafe.Pointer(&responseBuffer[0]))
+
+	EZBNMIF4 := svcLoad(&svcNameTable[svc_EZBNMIF4][0])
+	if EZBNMIF4 == nil {
+		return nil, errnoErr(EINVAL)
+	}
+
+	// GetGlobalStats EZBNMIF4 call
+	request.header.ident = nwmHeaderIdentifier
+	request.header.length = uint32(unsafe.Sizeof(request.header))
+	request.header.version = nwmCurrentVer
+	request.header.nwmType = nwmGlobalStatsType
+	request.header.options = 0x80000000
+
+	svcCall(EZBNMIF4, &argv[0], &dsa[0])
+
+	// outputDesc field is filled by EZBNMIF4 on success
+	if returnCode != 0 || request.header.outputDesc.offset == 0 {
+		return nil, errnoErr(EINVAL)
+	}
+
+	// Check that EZBNMIF4 returned a nwmRecHeader
+	recHeader := (*nwmRecHeader)(unsafe.Pointer(&responseBuffer[request.header.outputDesc.offset]))
+	if recHeader.ident != nwmRecHeaderIdentifier {
+		return nil, errnoErr(EINVAL)
+	}
+
+	// Parse nwmTriplets to get offsets of returned entries
+	var sections []*uint64
+	var sectionDesc *nwmTriplet = (*nwmTriplet)(unsafe.Pointer(&responseBuffer[0]))
+	for i := uint32(0); i < uint32(recHeader.number); i++ {
+		offset := request.header.outputDesc.offset + uint32(unsafe.Sizeof(*recHeader)) + i*uint32(unsafe.Sizeof(*sectionDesc))
+		sectionDesc = (*nwmTriplet)(unsafe.Pointer(&responseBuffer[offset]))
+		for j := uint32(0); j < sectionDesc.number; j++ {
+			offset = request.header.outputDesc.offset + sectionDesc.offset + j*sectionDesc.length
+			sections = append(sections, (*uint64)(unsafe.Pointer(&responseBuffer[offset])))
+		}
+	}
+
+	// Find nwmTCPStatsEntry in returned entries
+	var tcpStats *nwmTCPStatsEntry = nil
+	for _, ptr := range sections {
+		switch *ptr {
+		case nwmTCPStatsIdentifier:
+			if tcpStats != nil {
+				return nil, errnoErr(EINVAL)
+			}
+			tcpStats = (*nwmTCPStatsEntry)(unsafe.Pointer(ptr))
+		case nwmIPStatsIdentifier:
+		case nwmIPGStatsIdentifier:
+		case nwmUDPStatsIdentifier:
+		case nwmICMPGStatsEntry:
+		case nwmICMPTStatsEntry:
+		default:
+			return nil, errnoErr(EINVAL)
+		}
+	}
+	if tcpStats == nil {
+		return nil, errnoErr(EINVAL)
+	}
+
+	// GetConnectionDetail EZBNMIF4 call
+	responseBuffer = [4096]byte{0}
+	dsa = [18]uint64{0}
+	bufferAlet, reasonCode = 0, 0
+	bufferLen, returnValue, returnCode = 4096, 0, 0
+	nameptr := (*uint32)(unsafe.Pointer(uintptr(0x21c))) // Get jobname of current process
+	nameptr = (*uint32)(unsafe.Pointer(uintptr(*nameptr + 12)))
+	argv[0] = unsafe.Pointer(uintptr(*nameptr))
+
+	request.header.ident = nwmHeaderIdentifier
+	request.header.length = uint32(unsafe.Sizeof(request.header))
+	request.header.version = nwmCurrentVer
+	request.header.nwmType = nwmTCPConnType
+	request.header.options = 0x80000000
+
+	request.filter.ident = nwmFilterIdentifier
+
+	var localSockaddr RawSockaddrAny
+	socklen := _Socklen(SizeofSockaddrAny)
+	err := getsockname(fd, &localSockaddr, &socklen)
+	if err != nil {
+		return nil, errnoErr(EINVAL)
+	}
+	if localSockaddr.Addr.Family == AF_INET {
+		localSockaddr := (*RawSockaddrInet4)(unsafe.Pointer(&localSockaddr.Addr))
+		localSockFilter := (*RawSockaddrInet4)(unsafe.Pointer(&request.filter.local[0]))
+		localSockFilter.Family = AF_INET
+		var i int
+		for i = 0; i < 4; i++ {
+			if localSockaddr.Addr[i] != 0 {
+				break
+			}
+		}
+		if i != 4 {
+			request.filter.flags |= nwmFilterLclAddrMask
+			for i = 0; i < 4; i++ {
+				localSockFilter.Addr[i] = localSockaddr.Addr[i]
+			}
+		}
+		if localSockaddr.Port != 0 {
+			request.filter.flags |= nwmFilterLclPortMask
+			localSockFilter.Port = localSockaddr.Port
+		}
+	} else if localSockaddr.Addr.Family == AF_INET6 {
+		localSockaddr := (*RawSockaddrInet6)(unsafe.Pointer(&localSockaddr.Addr))
+		localSockFilter := (*RawSockaddrInet6)(unsafe.Pointer(&request.filter.local[0]))
+		localSockFilter.Family = AF_INET6
+		var i int
+		for i = 0; i < 16; i++ {
+			if localSockaddr.Addr[i] != 0 {
+				break
+			}
+		}
+		if i != 16 {
+			request.filter.flags |= nwmFilterLclAddrMask
+			for i = 0; i < 16; i++ {
+				localSockFilter.Addr[i] = localSockaddr.Addr[i]
+			}
+		}
+		if localSockaddr.Port != 0 {
+			request.filter.flags |= nwmFilterLclPortMask
+			localSockFilter.Port = localSockaddr.Port
+		}
+	}
+
+	svcCall(EZBNMIF4, &argv[0], &dsa[0])
+
+	// outputDesc field is filled by EZBNMIF4 on success
+	if returnCode != 0 || request.header.outputDesc.offset == 0 {
+		return nil, errnoErr(EINVAL)
+	}
+
+	// Check that EZBNMIF4 returned a nwmConnEntry
+	conn := (*nwmConnEntry)(unsafe.Pointer(&responseBuffer[request.header.outputDesc.offset]))
+	if conn.ident != nwmTCPConnIdentifier {
+		return nil, errnoErr(EINVAL)
+	}
+
+	// Copy data from the returned data structures into tcpInfo
+	// Stats from nwmConnEntry are specific to that connection.
+	// Stats from nwmTCPStatsEntry are global (to the interface?)
+	// Fields may not be an exact match. Some fields have no equivalent.
+	var tcpinfo TCPInfo
+	tcpinfo.State = uint8(conn.state)
+	tcpinfo.Ca_state = 0 // dummy
+	tcpinfo.Retransmits = uint8(tcpStats.retransSegs)
+	tcpinfo.Probes = uint8(tcpStats.outWinProbes)
+	tcpinfo.Backoff = 0 // dummy
+	tcpinfo.Options = 0 // dummy
+	tcpinfo.Rto = tcpStats.retransTimeouts
+	tcpinfo.Ato = tcpStats.outDelayAcks
+	tcpinfo.Snd_mss = conn.sendMSS
+	tcpinfo.Rcv_mss = conn.sendMSS // dummy
+	tcpinfo.Unacked = 0            // dummy
+	tcpinfo.Sacked = 0             // dummy
+	tcpinfo.Lost = 0               // dummy
+	tcpinfo.Retrans = conn.reXmtCount
+	tcpinfo.Fackets = 0 // dummy
+	tcpinfo.Last_data_sent = uint32(*(*uint64)(unsafe.Pointer(&conn.lastActivity[0])))
+	tcpinfo.Last_ack_sent = uint32(*(*uint64)(unsafe.Pointer(&conn.outOldestTime[0])))
+	tcpinfo.Last_data_recv = uint32(*(*uint64)(unsafe.Pointer(&conn.inOldestTime[0])))
+	tcpinfo.Last_ack_recv = uint32(*(*uint64)(unsafe.Pointer(&conn.inOldestTime[0])))
+	tcpinfo.Pmtu = conn.sendMSS // dummy, NWMIfRouteMtu is a candidate
+	tcpinfo.Rcv_ssthresh = conn.ssThresh
+	tcpinfo.Rtt = conn.roundTripTime
+	tcpinfo.Rttvar = conn.roundTripVar
+	tcpinfo.Snd_ssthresh = conn.ssThresh // dummy
+	tcpinfo.Snd_cwnd = conn.congestionWnd
+	tcpinfo.Advmss = conn.sendMSS        // dummy
+	tcpinfo.Reordering = 0               // dummy
+	tcpinfo.Rcv_rtt = conn.roundTripTime // dummy
+	tcpinfo.Rcv_space = conn.sendMSS     // dummy
+	tcpinfo.Total_retrans = conn.reXmtCount
+
+	svcUnload(&svcNameTable[svc_EZBNMIF4][0], EZBNMIF4)
+
+	return &tcpinfo, nil
+}
+
+// GetsockoptString returns the string value of the socket option opt for the
+// socket associated with fd at the given socket level.
+func GetsockoptString(fd, level, opt int) (string, error) {
+	buf := make([]byte, 256)
+	vallen := _Socklen(len(buf))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+	if err != nil {
+		return "", err
+	}
+
+	return string(buf[:vallen-1]), nil
+}
+
+func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
+	var msg Msghdr
+	var rsa RawSockaddrAny
+	msg.Name = (*byte)(unsafe.Pointer(&rsa))
+	msg.Namelen = SizeofSockaddrAny
+	var iov Iovec
+	if len(p) > 0 {
+		iov.Base = (*byte)(unsafe.Pointer(&p[0]))
+		iov.SetLen(len(p))
+	}
+	var dummy byte
+	if len(oob) > 0 {
+		// receive at least one normal byte
+		if len(p) == 0 {
+			iov.Base = &dummy
+			iov.SetLen(1)
+		}
+		msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
+		msg.SetControllen(len(oob))
+	}
+	msg.Iov = &iov
+	msg.Iovlen = 1
+	if n, err = recvmsg(fd, &msg, flags); err != nil {
+		return
+	}
+	oobn = int(msg.Controllen)
+	recvflags = int(msg.Flags)
+	// source address is only specified if the socket is unconnected
+	if rsa.Addr.Family != AF_UNSPEC {
+		// TODO(neeilan): Remove 0 arg added to get this compiling on z/OS
+		from, err = anyToSockaddr(0, &rsa)
+	}
+	return
+}
+
+func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
+	_, err = SendmsgN(fd, p, oob, to, flags)
+	return
+}
+
+func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
+	var ptr unsafe.Pointer
+	var salen _Socklen
+	if to != nil {
+		var err error
+		ptr, salen, err = to.sockaddr()
+		if err != nil {
+			return 0, err
+		}
+	}
+	var msg Msghdr
+	msg.Name = (*byte)(unsafe.Pointer(ptr))
+	msg.Namelen = int32(salen)
+	var iov Iovec
+	if len(p) > 0 {
+		iov.Base = (*byte)(unsafe.Pointer(&p[0]))
+		iov.SetLen(len(p))
+	}
+	var dummy byte
+	if len(oob) > 0 {
+		// send at least one normal byte
+		if len(p) == 0 {
+			iov.Base = &dummy
+			iov.SetLen(1)
+		}
+		msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
+		msg.SetControllen(len(oob))
+	}
+	msg.Iov = &iov
+	msg.Iovlen = 1
+	if n, err = sendmsg(fd, &msg, flags); err != nil {
+		return 0, err
+	}
+	if len(oob) > 0 && len(p) == 0 {
+		n = 0
+	}
+	return n, nil
+}
+
+func Opendir(name string) (uintptr, error) {
+	p, err := BytePtrFromString(name)
+	if err != nil {
+		return 0, err
+	}
+	dir, _, e := syscall_syscall(SYS___OPENDIR_A, uintptr(unsafe.Pointer(p)), 0, 0)
+	runtime.KeepAlive(unsafe.Pointer(p))
+	if e != 0 {
+		err = errnoErr(e)
+	}
+	return dir, err
+}
+
+// clearsyscall.Errno resets the errno value to 0.
+func clearErrno()
+
+func Readdir(dir uintptr) (*Dirent, error) {
+	var ent Dirent
+	var res uintptr
+	// __readdir_r_a returns errno at the end of the directory stream, rather than 0.
+	// Therefore to avoid false positives we clear errno before calling it.
+
+	// TODO(neeilan): Commented this out to get sys/unix compiling on z/OS. Uncomment and fix. Error: "undefined: clearsyscall"
+	//clearsyscall.Errno() // TODO(mundaym): check pre-emption rules.
+
+	e, _, _ := syscall_syscall(SYS___READDIR_R_A, dir, uintptr(unsafe.Pointer(&ent)), uintptr(unsafe.Pointer(&res)))
+	var err error
+	if e != 0 {
+		err = errnoErr(Errno(e))
+	}
+	if res == 0 {
+		return nil, err
+	}
+	return &ent, err
+}
+
+func Closedir(dir uintptr) error {
+	_, _, e := syscall_syscall(SYS_CLOSEDIR, dir, 0, 0)
+	if e != 0 {
+		return errnoErr(e)
+	}
+	return nil
+}
+
+func Seekdir(dir uintptr, pos int) {
+	_, _, _ = syscall_syscall(SYS_SEEKDIR, dir, uintptr(pos), 0)
+}
+
+func Telldir(dir uintptr) (int, error) {
+	p, _, e := syscall_syscall(SYS_TELLDIR, dir, 0, 0)
+	pos := int(p)
+	if pos == -1 {
+		return pos, errnoErr(e)
+	}
+	return pos, nil
+}
+
+// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
+func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
+	// struct flock is packed on z/OS. We can't emulate that in Go so
+	// instead we pack it here.
+	var flock [24]byte
+	*(*int16)(unsafe.Pointer(&flock[0])) = lk.Type
+	*(*int16)(unsafe.Pointer(&flock[2])) = lk.Whence
+	*(*int64)(unsafe.Pointer(&flock[4])) = lk.Start
+	*(*int64)(unsafe.Pointer(&flock[12])) = lk.Len
+	*(*int32)(unsafe.Pointer(&flock[20])) = lk.Pid
+	_, _, errno := syscall_syscall(SYS_FCNTL, fd, uintptr(cmd), uintptr(unsafe.Pointer(&flock)))
+	lk.Type = *(*int16)(unsafe.Pointer(&flock[0]))
+	lk.Whence = *(*int16)(unsafe.Pointer(&flock[2]))
+	lk.Start = *(*int64)(unsafe.Pointer(&flock[4]))
+	lk.Len = *(*int64)(unsafe.Pointer(&flock[12]))
+	lk.Pid = *(*int32)(unsafe.Pointer(&flock[20]))
+	if errno == 0 {
+		return nil
+	}
+	return errno
+}
+
+func Flock(fd int, how int) error {
+
+	var flock_type int16
+	var fcntl_cmd int
+
+	switch how {
+	case LOCK_SH | LOCK_NB:
+		flock_type = F_RDLCK
+		fcntl_cmd = F_SETLK
+	case LOCK_EX | LOCK_NB:
+		flock_type = F_WRLCK
+		fcntl_cmd = F_SETLK
+	case LOCK_EX:
+		flock_type = F_WRLCK
+		fcntl_cmd = F_SETLKW
+	case LOCK_UN:
+		flock_type = F_UNLCK
+		fcntl_cmd = F_SETLKW
+	default:
+	}
+
+	flock := Flock_t{
+		Type:   int16(flock_type),
+		Whence: int16(0),
+		Start:  int64(0),
+		Len:    int64(0),
+		Pid:    int32(Getppid()),
+	}
+
+	err := FcntlFlock(uintptr(fd), fcntl_cmd, &flock)
+	return err
+}
+
+func Mlock(b []byte) (err error) {
+	_, _, e1 := syscall_syscall(SYS___MLOCKALL, _BPX_NONSWAP, 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func Mlock2(b []byte, flags int) (err error) {
+	_, _, e1 := syscall_syscall(SYS___MLOCKALL, _BPX_NONSWAP, 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func Mlockall(flags int) (err error) {
+	_, _, e1 := syscall_syscall(SYS___MLOCKALL, _BPX_NONSWAP, 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func Munlock(b []byte) (err error) {
+	_, _, e1 := syscall_syscall(SYS___MLOCKALL, _BPX_SWAP, 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func Munlockall() (err error) {
+	_, _, e1 := syscall_syscall(SYS___MLOCKALL, _BPX_SWAP, 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func ClockGettime(clockid int32, ts *Timespec) error {
+
+	var ticks_per_sec uint32 = 100 //TODO(kenan): value is currently hardcoded; need sysconf() call otherwise
+	var nsec_per_sec int64 = 1000000000
+
+	if ts == nil {
+		return EFAULT
+	}
+	if clockid == CLOCK_REALTIME || clockid == CLOCK_MONOTONIC {
+		var nanotime int64 = runtime.Nanotime1()
+		ts.Sec = nanotime / nsec_per_sec
+		ts.Nsec = nanotime % nsec_per_sec
+	} else if clockid == CLOCK_PROCESS_CPUTIME_ID || clockid == CLOCK_THREAD_CPUTIME_ID {
+		var tm Tms
+		_, err := Times(&tm)
+		if err != nil {
+			return EFAULT
+		}
+		ts.Sec = int64(tm.Utime / ticks_per_sec)
+		ts.Nsec = int64(tm.Utime) * nsec_per_sec / int64(ticks_per_sec)
+	} else {
+		return EINVAL
+	}
+	return nil
+}
+
+func Statfs(path string, stat *Statfs_t) (err error) {
+	fd, err := open(path, O_RDONLY, 0)
+	defer Close(fd)
+	if err != nil {
+		return err
+	}
+	return Fstatfs(fd, stat)
+}
+
+var (
+	Stdin  = 0
+	Stdout = 1
+	Stderr = 2
+)
+
+// Do the interface allocations only once for common
+// Errno values.
+var (
+	errEAGAIN error = syscall.EAGAIN
+	errEINVAL error = syscall.EINVAL
+	errENOENT error = syscall.ENOENT
+)
+
+var (
+	signalNameMapOnce sync.Once
+	signalNameMap     map[string]syscall.Signal
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e Errno) error {
+	switch e {
+	case 0:
+		return nil
+	case EAGAIN:
+		return errEAGAIN
+	case EINVAL:
+		return errEINVAL
+	case ENOENT:
+		return errENOENT
+	}
+	return e
+}
+
+// ErrnoName returns the error name for error number e.
+func ErrnoName(e Errno) string {
+	i := sort.Search(len(errorList), func(i int) bool {
+		return errorList[i].num >= e
+	})
+	if i < len(errorList) && errorList[i].num == e {
+		return errorList[i].name
+	}
+	return ""
+}
+
+// SignalName returns the signal name for signal number s.
+func SignalName(s syscall.Signal) string {
+	i := sort.Search(len(signalList), func(i int) bool {
+		return signalList[i].num >= s
+	})
+	if i < len(signalList) && signalList[i].num == s {
+		return signalList[i].name
+	}
+	return ""
+}
+
+// SignalNum returns the syscall.Signal for signal named s,
+// or 0 if a signal with such name is not found.
+// The signal name should start with "SIG".
+func SignalNum(s string) syscall.Signal {
+	signalNameMapOnce.Do(func() {
+		signalNameMap = make(map[string]syscall.Signal, len(signalList))
+		for _, signal := range signalList {
+			signalNameMap[signal.name] = signal.num
+		}
+	})
+	return signalNameMap[s]
+}
+
+// clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
+func clen(n []byte) int {
+	i := bytes.IndexByte(n, 0)
+	if i == -1 {
+		i = len(n)
+	}
+	return i
+}
+
+// Mmap manager, for use by operating system-specific implementations.
+
+type mmapper struct {
+	sync.Mutex
+	active map[*byte][]byte // active mappings; key is last byte in mapping
+	mmap   func(addr, length uintptr, prot, flags, fd int, offset int64) (uintptr, error)
+	munmap func(addr uintptr, length uintptr) error
+}
+
+func (m *mmapper) Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
+	if length <= 0 {
+		return nil, EINVAL
+	}
+
+	// Map the requested memory.
+	addr, errno := m.mmap(0, uintptr(length), prot, flags, fd, offset)
+	if errno != nil {
+		return nil, errno
+	}
+
+	// Slice memory layout
+	var sl = struct {
+		addr uintptr
+		len  int
+		cap  int
+	}{addr, length, length}
+
+	// Use unsafe to turn sl into a []byte.
+	b := *(*[]byte)(unsafe.Pointer(&sl))
+
+	// Register mapping in m and return it.
+	p := &b[cap(b)-1]
+	m.Lock()
+	defer m.Unlock()
+	m.active[p] = b
+	return b, nil
+}
+
+func (m *mmapper) Munmap(data []byte) (err error) {
+	if len(data) == 0 || len(data) != cap(data) {
+		return EINVAL
+	}
+
+	// Find the base of the mapping.
+	p := &data[cap(data)-1]
+	m.Lock()
+	defer m.Unlock()
+	b := m.active[p]
+	if b == nil || &b[0] != &data[0] {
+		return EINVAL
+	}
+
+	// Unmap the memory and update m.
+	if errno := m.munmap(uintptr(unsafe.Pointer(&b[0])), uintptr(len(b))); errno != nil {
+		return errno
+	}
+	delete(m.active, p)
+	return nil
+}
+
+func Read(fd int, p []byte) (n int, err error) {
+	n, err = read(fd, p)
+	if raceenabled {
+		if n > 0 {
+			raceWriteRange(unsafe.Pointer(&p[0]), n)
+		}
+		if err == nil {
+			raceAcquire(unsafe.Pointer(&ioSync))
+		}
+	}
+	return
+}
+
+func Write(fd int, p []byte) (n int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	n, err = write(fd, p)
+	if raceenabled && n > 0 {
+		raceReadRange(unsafe.Pointer(&p[0]), n)
+	}
+	return
+}
+
+// For testing: clients can set this flag to force
+// creation of IPv6 sockets to return EAFNOSUPPORT.
+var SocketDisableIPv6 bool
+
+// Sockaddr represents a socket address.
+type Sockaddr interface {
+	sockaddr() (ptr unsafe.Pointer, len _Socklen, err error) // lowercase; only we can define Sockaddrs
+}
+
+// SockaddrInet4 implements the Sockaddr interface for AF_INET type sockets.
+type SockaddrInet4 struct {
+	Port int
+	Addr [4]byte
+	raw  RawSockaddrInet4
+}
+
+// SockaddrInet6 implements the Sockaddr interface for AF_INET6 type sockets.
+type SockaddrInet6 struct {
+	Port   int
+	ZoneId uint32
+	Addr   [16]byte
+	raw    RawSockaddrInet6
+}
+
+// SockaddrUnix implements the Sockaddr interface for AF_UNIX type sockets.
+type SockaddrUnix struct {
+	Name string
+	raw  RawSockaddrUnix
+}
+
+func Bind(fd int, sa Sockaddr) (err error) {
+	ptr, n, err := sa.sockaddr()
+	if err != nil {
+		return err
+	}
+	return bind(fd, ptr, n)
+}
+
+func Connect(fd int, sa Sockaddr) (err error) {
+	ptr, n, err := sa.sockaddr()
+	if err != nil {
+		return err
+	}
+	return connect(fd, ptr, n)
+}
+
+func Getpeername(fd int) (sa Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len _Socklen = SizeofSockaddrAny
+	if err = getpeername(fd, &rsa, &len); err != nil {
+		return
+	}
+	return anyToSockaddr(fd, &rsa)
+}
+
+func GetsockoptByte(fd, level, opt int) (value byte, err error) {
+	var n byte
+	vallen := _Socklen(1)
+	err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
+	return n, err
+}
+
+func GetsockoptInt(fd, level, opt int) (value int, err error) {
+	var n int32
+	vallen := _Socklen(4)
+	err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
+	return int(n), err
+}
+
+func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
+	vallen := _Socklen(4)
+	err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
+	return value, err
+}
+
+func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
+	var value IPMreq
+	vallen := _Socklen(SizeofIPMreq)
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+	return &value, err
+}
+
+func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
+	var value IPv6Mreq
+	vallen := _Socklen(SizeofIPv6Mreq)
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+	return &value, err
+}
+
+func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
+	var value IPv6MTUInfo
+	vallen := _Socklen(SizeofIPv6MTUInfo)
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+	return &value, err
+}
+
+func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
+	var value ICMPv6Filter
+	vallen := _Socklen(SizeofICMPv6Filter)
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+	return &value, err
+}
+
+func GetsockoptLinger(fd, level, opt int) (*Linger, error) {
+	var linger Linger
+	vallen := _Socklen(SizeofLinger)
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&linger), &vallen)
+	return &linger, err
+}
+
+func GetsockoptTimeval(fd, level, opt int) (*Timeval, error) {
+	var tv Timeval
+	vallen := _Socklen(unsafe.Sizeof(tv))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&tv), &vallen)
+	return &tv, err
+}
+
+func GetsockoptUint64(fd, level, opt int) (value uint64, err error) {
+	var n uint64
+	vallen := _Socklen(8)
+	err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
+	return n, err
+}
+
+func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len _Socklen = SizeofSockaddrAny
+	if n, err = recvfrom(fd, p, flags, &rsa, &len); err != nil {
+		return
+	}
+	if rsa.Addr.Family != AF_UNSPEC {
+		from, err = anyToSockaddr(fd, &rsa)
+	}
+	return
+}
+
+func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) {
+	ptr, n, err := to.sockaddr()
+	if err != nil {
+		return err
+	}
+	return sendto(fd, p, flags, ptr, n)
+}
+
+func SetsockoptByte(fd, level, opt int, value byte) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(&value), 1)
+}
+
+func SetsockoptInt(fd, level, opt int, value int) (err error) {
+	var n = int32(value)
+	return setsockopt(fd, level, opt, unsafe.Pointer(&n), 4)
+}
+
+func SetsockoptInet4Addr(fd, level, opt int, value [4]byte) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(&value[0]), 4)
+}
+
+func SetsockoptIPMreq(fd, level, opt int, mreq *IPMreq) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), SizeofIPMreq)
+}
+
+func SetsockoptIPv6Mreq(fd, level, opt int, mreq *IPv6Mreq) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), SizeofIPv6Mreq)
+}
+
+func SetsockoptICMPv6Filter(fd, level, opt int, filter *ICMPv6Filter) error {
+	return setsockopt(fd, level, opt, unsafe.Pointer(filter), SizeofICMPv6Filter)
+}
+
+func SetsockoptLinger(fd, level, opt int, l *Linger) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(l), SizeofLinger)
+}
+
+func SetsockoptString(fd, level, opt int, s string) (err error) {
+	var p unsafe.Pointer
+	if len(s) > 0 {
+		p = unsafe.Pointer(&[]byte(s)[0])
+	}
+	return setsockopt(fd, level, opt, p, uintptr(len(s)))
+}
+
+func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(tv), unsafe.Sizeof(*tv))
+}
+
+func SetsockoptUint64(fd, level, opt int, value uint64) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(&value), 8)
+}
+
+func Socket(domain, typ, proto int) (fd int, err error) {
+	if domain == AF_INET6 && SocketDisableIPv6 {
+		return -1, EAFNOSUPPORT
+	}
+	fd, err = socket(domain, typ, proto)
+	return
+}
+
+func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
+	var fdx [2]int32
+	err = socketpair(domain, typ, proto, &fdx)
+	if err == nil {
+		fd[0] = int(fdx[0])
+		fd[1] = int(fdx[1])
+	}
+	return
+}
+
+var ioSync int64
+
+func CloseOnExec(fd int) { fcntl(fd, F_SETFD, FD_CLOEXEC) }
+
+func SetNonblock(fd int, nonblocking bool) (err error) {
+	flag, err := fcntl(fd, F_GETFL, 0)
+	if err != nil {
+		return err
+	}
+	if nonblocking {
+		flag |= O_NONBLOCK
+	} else {
+		flag &= ^O_NONBLOCK
+	}
+	_, err = fcntl(fd, F_SETFL, flag)
+	return err
+}
+
+// Exec calls execve(2), which replaces the calling executable in the process
+// tree. argv0 should be the full path to an executable ("/bin/ls") and the
+// executable name should also be the first argument in argv (["ls", "-l"]).
+// envv are the environment variables that should be passed to the new
+// process (["USER=go", "PWD=/tmp"]).
+func Exec(argv0 string, argv []string, envv []string) error {
+	return syscall.Exec(argv0, argv, envv)
+}
diff --git a/unix/syscall_zos_test.go b/unix/syscall_zos_test.go
new file mode 100644
index 0000000..94a5135
--- /dev/null
+++ b/unix/syscall_zos_test.go
@@ -0,0 +1,608 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix_test
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"net"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strconv"
+	"syscall"
+	"testing"
+	"time"
+
+	"golang.org/x/sys/unix"
+)
+
+// Tests that below functions, structures and constants are consistent
+// on all Unix-like systems.
+func _() {
+	// program scheduling priority functions and constants
+	var (
+		_ func(int, int, int) error   = unix.Setpriority
+		_ func(int, int) (int, error) = unix.Getpriority
+	)
+	const (
+		_ int = unix.PRIO_USER
+		_ int = unix.PRIO_PROCESS
+		_ int = unix.PRIO_PGRP
+	)
+
+	// termios constants
+	const (
+		_ int = unix.TCIFLUSH
+		_ int = unix.TCIOFLUSH
+		_ int = unix.TCOFLUSH
+	)
+
+	// fcntl file locking structure and constants
+	var (
+		_ = unix.Flock_t{
+			Type:   int16(0),
+			Whence: int16(0),
+			Start:  int64(0),
+			Len:    int64(0),
+			Pid:    int32(0),
+		}
+	)
+	const (
+		_ = unix.F_GETLK
+		_ = unix.F_SETLK
+		_ = unix.F_SETLKW
+	)
+}
+
+func TestErrnoSignalName(t *testing.T) {
+	testErrors := []struct {
+		num  syscall.Errno
+		name string
+	}{
+		{syscall.EPERM, "EDC5139I"},
+		{syscall.EINVAL, "EDC5121I"},
+		{syscall.ENOENT, "EDC5129I"},
+	}
+
+	for _, te := range testErrors {
+		t.Run(fmt.Sprintf("%d/%s", te.num, te.name), func(t *testing.T) {
+			e := unix.ErrnoName(te.num)
+			if e != te.name {
+				t.Errorf("ErrnoName(%d) returned %s, want %s", te.num, e, te.name)
+			}
+		})
+	}
+
+	testSignals := []struct {
+		num  syscall.Signal
+		name string
+	}{
+		{syscall.SIGHUP, "SIGHUP"},
+		{syscall.SIGPIPE, "SIGPIPE"},
+		{syscall.SIGSEGV, "SIGSEGV"},
+	}
+
+	for _, ts := range testSignals {
+		t.Run(fmt.Sprintf("%d/%s", ts.num, ts.name), func(t *testing.T) {
+			s := unix.SignalName(ts.num)
+			if s != ts.name {
+				t.Errorf("SignalName(%d) returned %s, want %s", ts.num, s, ts.name)
+			}
+		})
+	}
+}
+
+func TestSignalNum(t *testing.T) {
+	testSignals := []struct {
+		name string
+		want syscall.Signal
+	}{
+		{"SIGHUP", syscall.SIGHUP},
+		{"SIGPIPE", syscall.SIGPIPE},
+		{"SIGSEGV", syscall.SIGSEGV},
+		{"NONEXISTS", 0},
+	}
+	for _, ts := range testSignals {
+		t.Run(fmt.Sprintf("%s/%d", ts.name, ts.want), func(t *testing.T) {
+			got := unix.SignalNum(ts.name)
+			if got != ts.want {
+				t.Errorf("SignalNum(%s) returned %d, want %d", ts.name, got, ts.want)
+			}
+		})
+
+	}
+}
+
+func TestFcntlInt(t *testing.T) {
+	t.Parallel()
+	file, err := ioutil.TempFile("", "TestFnctlInt")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.Remove(file.Name())
+	defer file.Close()
+	f := file.Fd()
+	flags, err := unix.FcntlInt(f, unix.F_GETFD, 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if flags&unix.FD_CLOEXEC == 0 {
+		t.Errorf("flags %#x do not include FD_CLOEXEC", flags)
+	}
+}
+
+// TestFcntlFlock tests whether the file locking structure matches
+// the calling convention of each kernel.
+func TestFcntlFlock(t *testing.T) {
+	name := filepath.Join(os.TempDir(), "TestFcntlFlock")
+	fd, err := unix.Open(name, unix.O_CREAT|unix.O_RDWR|unix.O_CLOEXEC, 0)
+	if err != nil {
+		t.Fatalf("Open failed: %v", err)
+	}
+	defer unix.Unlink(name)
+	defer unix.Close(fd)
+	flock := unix.Flock_t{
+		Type:  unix.F_RDLCK,
+		Start: 0, Len: 0, Whence: 1,
+	}
+	if err := unix.FcntlFlock(uintptr(fd), unix.F_GETLK, &flock); err != nil {
+		t.Fatalf("FcntlFlock failed: %v", err)
+	}
+}
+
+// TestPassFD tests passing a file descriptor over a Unix socket.
+//
+// This test involved both a parent and child process. The parent
+// process is invoked as a normal test, with "go test", which then
+// runs the child process by running the current test binary with args
+// "-test.run=^TestPassFD$" and an environment variable used to signal
+// that the test should become the child process instead.
+func TestPassFD(t *testing.T) {
+	if runtime.GOOS == "darwin" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") {
+		t.Skip("cannot exec subprocess on iOS, skipping test")
+	}
+
+	if os.Getenv("GO_WANT_HELPER_PROCESS") == "1" {
+		passFDChild()
+		return
+	}
+
+	if runtime.GOOS == "aix" {
+		// Unix network isn't properly working on AIX
+		// 7.2 with Technical Level < 2
+		out, err := exec.Command("oslevel", "-s").Output()
+		if err != nil {
+			t.Skipf("skipping on AIX because oslevel -s failed: %v", err)
+		}
+
+		if len(out) < len("7200-XX-ZZ-YYMM") { // AIX 7.2, Tech Level XX, Service Pack ZZ, date YYMM
+			t.Skip("skipping on AIX because oslevel -s hasn't the right length")
+		}
+		aixVer := string(out[:4])
+		tl, err := strconv.Atoi(string(out[5:7]))
+		if err != nil {
+			t.Skipf("skipping on AIX because oslevel -s output cannot be parsed: %v", err)
+		}
+		if aixVer < "7200" || (aixVer == "7200" && tl < 2) {
+			t.Skip("skipped on AIX versions previous to 7.2 TL 2")
+		}
+	}
+
+	tempDir, err := ioutil.TempDir("", "TestPassFD")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(tempDir)
+
+	fds, err := unix.Socketpair(unix.AF_LOCAL, unix.SOCK_STREAM, 0)
+	if err != nil {
+		t.Fatalf("Socketpair: %v", err)
+	}
+	defer unix.Close(fds[0])
+	defer unix.Close(fds[1])
+	writeFile := os.NewFile(uintptr(fds[0]), "child-writes")
+	readFile := os.NewFile(uintptr(fds[1]), "parent-reads")
+	defer writeFile.Close()
+	defer readFile.Close()
+
+	cmd := exec.Command(os.Args[0], "-test.run=^TestPassFD$", "--", tempDir)
+	cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1"}
+	if lp := os.Getenv("LD_LIBRARY_PATH"); lp != "" {
+		cmd.Env = append(cmd.Env, "LD_LIBRARY_PATH="+lp)
+	}
+	cmd.ExtraFiles = []*os.File{writeFile}
+
+	out, err := cmd.CombinedOutput()
+	if len(out) > 0 || err != nil {
+		t.Fatalf("child process: %q, %v", out, err)
+	}
+
+	c, err := net.FileConn(readFile)
+	if err != nil {
+		t.Fatalf("FileConn: %v", err)
+	}
+	defer c.Close()
+
+	uc, ok := c.(*net.UnixConn)
+	if !ok {
+		t.Fatalf("unexpected FileConn type; expected UnixConn, got %T", c)
+	}
+
+	buf := make([]byte, 32) // expect 1 byte
+	oob := make([]byte, 32) // expect 24 bytes
+	closeUnix := time.AfterFunc(5*time.Second, func() {
+		t.Logf("timeout reading from unix socket")
+		uc.Close()
+	})
+	_, oobn, _, _, err := uc.ReadMsgUnix(buf, oob)
+	if err != nil {
+		t.Fatalf("ReadMsgUnix: %v", err)
+	}
+	closeUnix.Stop()
+
+	scms, err := unix.ParseSocketControlMessage(oob[:oobn])
+	if err != nil {
+		t.Fatalf("ParseSocketControlMessage: %v", err)
+	}
+	if len(scms) != 1 {
+		t.Fatalf("expected 1 SocketControlMessage; got scms = %#v", scms)
+	}
+	scm := scms[0]
+	gotFds, err := unix.ParseUnixRights(&scm)
+	if err != nil {
+		t.Fatalf("unix.ParseUnixRights: %v", err)
+	}
+	if len(gotFds) != 1 {
+		t.Fatalf("wanted 1 fd; got %#v", gotFds)
+	}
+
+	f := os.NewFile(uintptr(gotFds[0]), "fd-from-child")
+	defer f.Close()
+
+	got, err := ioutil.ReadAll(f)
+	want := "Hello from child process!\n"
+	if string(got) != want {
+		t.Errorf("child process ReadAll: %q, %v; want %q", got, err, want)
+	}
+}
+
+// passFDChild is the child process used by TestPassFD.
+func passFDChild() {
+	defer os.Exit(0)
+
+	// Look for our fd. It should be fd 3, but we work around an fd leak
+	// bug here (http://golang.org/issue/2603) to let it be elsewhere.
+	var uc *net.UnixConn
+	for fd := uintptr(3); fd <= 10; fd++ {
+		f := os.NewFile(fd, "unix-conn")
+		var ok bool
+		netc, _ := net.FileConn(f)
+		uc, ok = netc.(*net.UnixConn)
+		if ok {
+			break
+		}
+	}
+	if uc == nil {
+		fmt.Println("failed to find unix fd")
+		return
+	}
+
+	// Make a file f to send to our parent process on uc.
+	// We make it in tempDir, which our parent will clean up.
+	flag.Parse()
+	tempDir := flag.Arg(0)
+	f, err := ioutil.TempFile(tempDir, "")
+	if err != nil {
+		fmt.Printf("TempFile: %v", err)
+		return
+	}
+
+	f.Write([]byte("Hello from child process!\n"))
+	f.Seek(0, 0)
+
+	rights := unix.UnixRights(int(f.Fd()))
+	dummyByte := []byte("x")
+	n, oobn, err := uc.WriteMsgUnix(dummyByte, rights, nil)
+	if err != nil {
+		fmt.Printf("WriteMsgUnix: %v", err)
+		return
+	}
+	if n != 1 || oobn != len(rights) {
+		fmt.Printf("WriteMsgUnix = %d, %d; want 1, %d", n, oobn, len(rights))
+		return
+	}
+}
+
+// TestUnixRightsRoundtrip tests that UnixRights, ParseSocketControlMessage,
+// and ParseUnixRights are able to successfully round-trip lists of file descriptors.
+func TestUnixRightsRoundtrip(t *testing.T) {
+	testCases := [...][][]int{
+		{{42}},
+		{{1, 2}},
+		{{3, 4, 5}},
+		{{}},
+		{{1, 2}, {3, 4, 5}, {}, {7}},
+	}
+	for _, testCase := range testCases {
+		b := []byte{}
+		var n int
+		for _, fds := range testCase {
+			// Last assignment to n wins
+			n = len(b) + unix.CmsgLen(4*len(fds))
+			b = append(b, unix.UnixRights(fds...)...)
+		}
+		// Truncate b
+		b = b[:n]
+
+		scms, err := unix.ParseSocketControlMessage(b)
+		if err != nil {
+			t.Fatalf("ParseSocketControlMessage: %v", err)
+		}
+		if len(scms) != len(testCase) {
+			t.Fatalf("expected %v SocketControlMessage; got scms = %#v", len(testCase), scms)
+		}
+		for i, scm := range scms {
+			gotFds, err := unix.ParseUnixRights(&scm)
+			if err != nil {
+				t.Fatalf("ParseUnixRights: %v", err)
+			}
+			wantFds := testCase[i]
+			if len(gotFds) != len(wantFds) {
+				t.Fatalf("expected %v fds, got %#v", len(wantFds), gotFds)
+			}
+			for j, fd := range gotFds {
+				if fd != wantFds[j] {
+					t.Fatalf("expected fd %v, got %v", wantFds[j], fd)
+				}
+			}
+		}
+	}
+}
+
+func TestRlimit(t *testing.T) {
+	var rlimit, zero unix.Rlimit
+	err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rlimit)
+	if err != nil {
+		t.Fatalf("Getrlimit: save failed: %v", err)
+	}
+	if zero == rlimit {
+		t.Fatalf("Getrlimit: save failed: got zero value %#v", rlimit)
+	}
+	set := rlimit
+	set.Cur = set.Max - 1
+	if runtime.GOOS == "darwin" && set.Cur > 10240 {
+		// The max file limit is 10240, even though
+		// the max returned by Getrlimit is 1<<63-1.
+		// This is OPEN_MAX in sys/syslimits.h.
+		set.Cur = 10240
+	}
+	err = unix.Setrlimit(unix.RLIMIT_NOFILE, &set)
+	if err != nil {
+		t.Fatalf("Setrlimit: set failed: %#v %v", set, err)
+	}
+	var get unix.Rlimit
+	err = unix.Getrlimit(unix.RLIMIT_NOFILE, &get)
+	if err != nil {
+		t.Fatalf("Getrlimit: get failed: %v", err)
+	}
+	set = rlimit
+	set.Cur = set.Max - 1
+	if set != get {
+		// Seems like Darwin requires some privilege to
+		// increase the soft limit of rlimit sandbox, though
+		// Setrlimit never reports an error.
+		switch runtime.GOOS {
+		case "darwin":
+		default:
+			t.Fatalf("Rlimit: change failed: wanted %#v got %#v", set, get)
+		}
+	}
+	err = unix.Setrlimit(unix.RLIMIT_NOFILE, &rlimit)
+	if err != nil {
+		t.Fatalf("Setrlimit: restore failed: %#v %v", rlimit, err)
+	}
+}
+
+func TestSeekFailure(t *testing.T) {
+	_, err := unix.Seek(-1, 0, 0)
+	if err == nil {
+		t.Fatalf("Seek(-1, 0, 0) did not fail")
+	}
+	str := err.Error() // used to crash on Linux
+	t.Logf("Seek: %v", str)
+	if str == "" {
+		t.Fatalf("Seek(-1, 0, 0) return error with empty message")
+	}
+}
+
+func TestSetsockoptString(t *testing.T) {
+	// should not panic on empty string, see issue #31277
+	err := unix.SetsockoptString(-1, 0, 0, "")
+	if err == nil {
+		t.Fatalf("SetsockoptString: did not fail")
+	}
+}
+
+func TestDup(t *testing.T) {
+	file, err := ioutil.TempFile("", "TestDup")
+	if err != nil {
+		t.Fatalf("Tempfile failed: %v", err)
+	}
+	defer os.Remove(file.Name())
+	defer file.Close()
+	f := int(file.Fd())
+
+	newFd, err := unix.Dup(f)
+	if err != nil {
+		t.Fatalf("Dup: %v", err)
+	}
+
+	// Create and reserve a file descriptor.
+	// Dup2 automatically closes it before reusing it.
+	nullFile, err := os.Open("/dev/null")
+	if err != nil {
+		t.Fatal(err)
+	}
+	dupFd := int(file.Fd())
+	err = unix.Dup2(newFd, dupFd)
+	if err != nil {
+		t.Fatalf("Dup2: %v", err)
+	}
+	// Keep the dummy file open long enough to not be closed in
+	// its finalizer.
+	runtime.KeepAlive(nullFile)
+
+	b1 := []byte("Test123")
+	b2 := make([]byte, 7)
+	_, err = unix.Write(dupFd, b1)
+	if err != nil {
+		t.Fatalf("Write to dup2 fd failed: %v", err)
+	}
+	_, err = unix.Seek(f, 0, 0)
+	if err != nil {
+		t.Fatalf("Seek failed: %v", err)
+	}
+	_, err = unix.Read(f, b2)
+	if err != nil {
+		t.Fatalf("Read back failed: %v", err)
+	}
+	if string(b1) != string(b2) {
+		t.Errorf("Dup: stdout write not in file, expected %v, got %v", string(b1), string(b2))
+	}
+}
+
+func TestGetwd(t *testing.T) {
+	fd, err := os.Open(".")
+	if err != nil {
+		t.Fatalf("Open .: %s", err)
+	}
+	defer fd.Close()
+	// Directory list for test. Do not worry if any are symlinks or do not
+	// exist on some common unix desktop environments. That will be checked.
+	dirs := []string{"/", "/usr/bin", "/etc", "/var", "/opt"}
+	switch runtime.GOOS {
+	case "android":
+		dirs = []string{"/", "/system/bin"}
+	case "darwin":
+		switch runtime.GOARCH {
+		case "arm", "arm64":
+			d1, err := ioutil.TempDir("", "d1")
+			if err != nil {
+				t.Fatalf("TempDir: %v", err)
+			}
+			d2, err := ioutil.TempDir("", "d2")
+			if err != nil {
+				t.Fatalf("TempDir: %v", err)
+			}
+			dirs = []string{d1, d2}
+		}
+	}
+	oldwd := os.Getenv("PWD")
+	for _, d := range dirs {
+		// Check whether d exists, is a dir and that d's path does not contain a symlink
+		fi, err := os.Stat(d)
+		if err != nil || !fi.IsDir() {
+			t.Logf("Test dir %s stat error (%v) or not a directory, skipping", d, err)
+			continue
+		}
+		check, err := filepath.EvalSymlinks(d)
+		if err != nil || check != d {
+			t.Logf("Test dir %s (%s) is symlink or other error (%v), skipping", d, check, err)
+			continue
+		}
+		err = os.Chdir(d)
+		if err != nil {
+			t.Fatalf("Chdir: %v", err)
+		}
+		pwd, err := unix.Getwd()
+		if err != nil {
+			t.Fatalf("Getwd in %s: %s", d, err)
+		}
+		os.Setenv("PWD", oldwd)
+		err = fd.Chdir()
+		if err != nil {
+			// We changed the current directory and cannot go back.
+			// Don't let the tests continue; they'll scribble
+			// all over some other directory.
+			fmt.Fprintf(os.Stderr, "fchdir back to dot failed: %s\n", err)
+			os.Exit(1)
+		}
+		if pwd != d {
+			t.Fatalf("Getwd returned %q want %q", pwd, d)
+		}
+	}
+}
+
+func TestMkdev(t *testing.T) {
+	major := uint32(42)
+	minor := uint32(7)
+	dev := unix.Mkdev(major, minor)
+
+	if unix.Major(dev) != major {
+		t.Errorf("Major(%#x) == %d, want %d", dev, unix.Major(dev), major)
+	}
+	if unix.Minor(dev) != minor {
+		t.Errorf("Minor(%#x) == %d, want %d", dev, unix.Minor(dev), minor)
+	}
+}
+
+// mktmpfifo creates a temporary FIFO and provides a cleanup function.
+func mktmpfifo(t *testing.T) (*os.File, func()) {
+	err := unix.Mkfifo("fifo", 0666)
+	if err != nil {
+		t.Fatalf("mktmpfifo: failed to create FIFO: %v", err)
+	}
+
+	f, err := os.OpenFile("fifo", os.O_RDWR, 0666)
+	if err != nil {
+		os.Remove("fifo")
+		t.Fatalf("mktmpfifo: failed to open FIFO: %v", err)
+	}
+
+	return f, func() {
+		f.Close()
+		os.Remove("fifo")
+	}
+}
+
+// utilities taken from os/os_test.go
+
+func touch(t *testing.T, name string) {
+	f, err := os.Create(name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := f.Close(); err != nil {
+		t.Fatal(err)
+	}
+}
+
+// chtmpdir changes the working directory to a new temporary directory and
+// provides a cleanup function. Used when PWD is read-only.
+func chtmpdir(t *testing.T) func() {
+	oldwd, err := os.Getwd()
+	if err != nil {
+		t.Fatalf("chtmpdir: %v", err)
+	}
+	d, err := ioutil.TempDir("", "test")
+	if err != nil {
+		t.Fatalf("chtmpdir: %v", err)
+	}
+	if err := os.Chdir(d); err != nil {
+		t.Fatalf("chtmpdir: %v", err)
+	}
+	return func() {
+		if err := os.Chdir(oldwd); err != nil {
+			t.Fatalf("chtmpdir: %v", err)
+		}
+		os.RemoveAll(d)
+	}
+}
diff --git a/unix/timestruct.go b/unix/timestruct.go
index bd15555..3d89304 100644
--- a/unix/timestruct.go
+++ b/unix/timestruct.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package unix
 
diff --git a/unix/zerrors_zos_s390x.go b/unix/zerrors_zos_s390x.go
new file mode 100644
index 0000000..4117ce0
--- /dev/null
+++ b/unix/zerrors_zos_s390x.go
@@ -0,0 +1,831 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+// Hand edited based on zerrors_linux_s390x.go
+// TODO: auto-generate.
+
+package unix
+
+const (
+	BRKINT                          = 0x0001
+	CLOCK_MONOTONIC                 = 0x1
+	CLOCK_PROCESS_CPUTIME_ID        = 0x2
+	CLOCK_REALTIME                  = 0x0
+	CLOCK_THREAD_CPUTIME_ID         = 0x3
+	CS8                             = 0x0030
+	CSIZE                           = 0x0030
+	ECHO                            = 0x00000008
+	ECHONL                          = 0x00000001
+	FD_CLOEXEC                      = 0x01
+	FD_CLOFORK                      = 0x02
+	FNDELAY                         = 0x04
+	F_CLOSFD                        = 9
+	F_CONTROL_CVT                   = 13
+	F_DUPFD                         = 0
+	F_DUPFD2                        = 8
+	F_GETFD                         = 1
+	F_GETFL                         = 259
+	F_GETLK                         = 5
+	F_GETOWN                        = 10
+	F_OK                            = 0x0
+	F_RDLCK                         = 1
+	F_SETFD                         = 2
+	F_SETFL                         = 4
+	F_SETLK                         = 6
+	F_SETLKW                        = 7
+	F_SETOWN                        = 11
+	F_SETTAG                        = 12
+	F_UNLCK                         = 3
+	F_WRLCK                         = 2
+	FSTYPE_ZFS                      = 0xe9 //"Z"
+	FSTYPE_HFS                      = 0xc8 //"H"
+	FSTYPE_NFS                      = 0xd5 //"N"
+	FSTYPE_TFS                      = 0xe3 //"T"
+	FSTYPE_AUTOMOUNT                = 0xc1 //"A"
+	IP6F_MORE_FRAG                  = 0x0001
+	IP6F_OFF_MASK                   = 0xfff8
+	IP6F_RESERVED_MASK              = 0x0006
+	IP6OPT_JUMBO                    = 0xc2
+	IP6OPT_JUMBO_LEN                = 6
+	IP6OPT_MUTABLE                  = 0x20
+	IP6OPT_NSAP_ADDR                = 0xc3
+	IP6OPT_PAD1                     = 0x00
+	IP6OPT_PADN                     = 0x01
+	IP6OPT_ROUTER_ALERT             = 0x05
+	IP6OPT_TUNNEL_LIMIT             = 0x04
+	IP6OPT_TYPE_DISCARD             = 0x40
+	IP6OPT_TYPE_FORCEICMP           = 0x80
+	IP6OPT_TYPE_ICMP                = 0xc0
+	IP6OPT_TYPE_SKIP                = 0x00
+	IP6_ALERT_AN                    = 0x0002
+	IP6_ALERT_MLD                   = 0x0000
+	IP6_ALERT_RSVP                  = 0x0001
+	IPPORT_RESERVED                 = 1024
+	IPPORT_USERRESERVED             = 5000
+	IPPROTO_AH                      = 51
+	IPPROTO_DSTOPTS                 = 60
+	IPPROTO_EGP                     = 8
+	IPPROTO_ESP                     = 50
+	IPPROTO_FRAGMENT                = 44
+	IPPROTO_GGP                     = 2
+	IPPROTO_HOPOPTS                 = 0
+	IPPROTO_ICMP                    = 1
+	IPPROTO_ICMPV6                  = 58
+	IPPROTO_IDP                     = 22
+	IPPROTO_IP                      = 0
+	IPPROTO_IPV6                    = 41
+	IPPROTO_MAX                     = 256
+	IPPROTO_NONE                    = 59
+	IPPROTO_PUP                     = 12
+	IPPROTO_RAW                     = 255
+	IPPROTO_ROUTING                 = 43
+	IPPROTO_TCP                     = 6
+	IPPROTO_UDP                     = 17
+	IPV6_ADDR_PREFERENCES           = 32
+	IPV6_CHECKSUM                   = 19
+	IPV6_DONTFRAG                   = 29
+	IPV6_DSTOPTS                    = 23
+	IPV6_HOPLIMIT                   = 11
+	IPV6_HOPOPTS                    = 22
+	IPV6_JOIN_GROUP                 = 5
+	IPV6_LEAVE_GROUP                = 6
+	IPV6_MULTICAST_HOPS             = 9
+	IPV6_MULTICAST_IF               = 7
+	IPV6_MULTICAST_LOOP             = 4
+	IPV6_NEXTHOP                    = 20
+	IPV6_PATHMTU                    = 12
+	IPV6_PKTINFO                    = 13
+	IPV6_PREFER_SRC_CGA             = 0x10
+	IPV6_PREFER_SRC_COA             = 0x02
+	IPV6_PREFER_SRC_HOME            = 0x01
+	IPV6_PREFER_SRC_NONCGA          = 0x20
+	IPV6_PREFER_SRC_PUBLIC          = 0x08
+	IPV6_PREFER_SRC_TMP             = 0x04
+	IPV6_RECVDSTOPTS                = 28
+	IPV6_RECVHOPLIMIT               = 14
+	IPV6_RECVHOPOPTS                = 26
+	IPV6_RECVPATHMTU                = 16
+	IPV6_RECVPKTINFO                = 15
+	IPV6_RECVRTHDR                  = 25
+	IPV6_RECVTCLASS                 = 31
+	IPV6_RTHDR                      = 21
+	IPV6_RTHDRDSTOPTS               = 24
+	IPV6_RTHDR_TYPE_0               = 0
+	IPV6_TCLASS                     = 30
+	IPV6_UNICAST_HOPS               = 3
+	IPV6_USE_MIN_MTU                = 18
+	IPV6_V6ONLY                     = 10
+	IP_ADD_MEMBERSHIP               = 5
+	IP_ADD_SOURCE_MEMBERSHIP        = 12
+	IP_BLOCK_SOURCE                 = 10
+	IP_DEFAULT_MULTICAST_LOOP       = 1
+	IP_DEFAULT_MULTICAST_TTL        = 1
+	IP_DROP_MEMBERSHIP              = 6
+	IP_DROP_SOURCE_MEMBERSHIP       = 13
+	IP_MAX_MEMBERSHIPS              = 20
+	IP_MULTICAST_IF                 = 7
+	IP_MULTICAST_LOOP               = 4
+	IP_MULTICAST_TTL                = 3
+	IP_OPTIONS                      = 1
+	IP_PKTINFO                      = 101
+	IP_RECVPKTINFO                  = 102
+	IP_TOS                          = 2
+	IP_TTL                          = 3
+	IP_UNBLOCK_SOURCE               = 11
+	ICANON                          = 0x0010
+	ICRNL                           = 0x0002
+	IEXTEN                          = 0x0020
+	IGNBRK                          = 0x0004
+	IGNCR                           = 0x0008
+	INLCR                           = 0x0020
+	ISIG                            = 0x0040
+	ISTRIP                          = 0x0080
+	IXON                            = 0x0200
+	IXOFF                           = 0x0100
+	LOCK_SH                         = 0x1 // Not exist on zOS
+	LOCK_EX                         = 0x2 // Not exist on zOS
+	LOCK_NB                         = 0x4 // Not exist on zOS
+	LOCK_UN                         = 0x8 // Not exist on zOS
+	POLLIN                          = 0x0003
+	POLLOUT                         = 0x0004
+	POLLPRI                         = 0x0010
+	POLLERR                         = 0x0020
+	POLLHUP                         = 0x0040
+	POLLNVAL                        = 0x0080
+	PROT_READ                       = 0x1 // mmap - page can be read
+	PROT_WRITE                      = 0x2 // page can be written
+	PROT_NONE                       = 0x4 // can't be accessed
+	PROT_EXEC                       = 0x8 // can be executed
+	MAP_PRIVATE                     = 0x1 // changes are private
+	MAP_SHARED                      = 0x2 // changes are shared
+	MAP_FIXED                       = 0x4 // place exactly
+	MS_SYNC                         = 0x1 // msync - synchronous writes
+	MS_ASYNC                        = 0x2 // asynchronous writes
+	MS_INVALIDATE                   = 0x4 // invalidate mappings
+	MTM_RDONLY                      = 0x80000000
+	MTM_RDWR                        = 0x40000000
+	MTM_UMOUNT                      = 0x10000000
+	MTM_IMMED                       = 0x08000000
+	MTM_FORCE                       = 0x04000000
+	MTM_DRAIN                       = 0x02000000
+	MTM_RESET                       = 0x01000000
+	MTM_SAMEMODE                    = 0x00100000
+	MTM_UNQSEFORCE                  = 0x00040000
+	MTM_NOSUID                      = 0x00000400
+	MTM_SYNCHONLY                   = 0x00000200
+	MTM_REMOUNT                     = 0x00000100
+	MTM_NOSECURITY                  = 0x00000080
+	O_ACCMODE                       = 0x03
+	O_APPEND                        = 0x08
+	O_ASYNCSIG                      = 0x0200
+	O_CREAT                         = 0x80
+	O_EXCL                          = 0x40
+	O_GETFL                         = 0x0F
+	O_LARGEFILE                     = 0x0400
+	O_NONBLOCK                      = 0x04
+	O_RDONLY                        = 0x02
+	O_RDWR                          = 0x03
+	O_SYNC                          = 0x0100
+	O_TRUNC                         = 0x10
+	O_WRONLY                        = 0x01
+	O_NOCTTY                        = 0x20
+	OPOST                           = 0x0001
+	ONLCR                           = 0x0004
+	PARENB                          = 0x0200
+	PARMRK                          = 0x0400
+	QUERYCVT                        = 3
+	RUSAGE_CHILDREN                 = -0x1
+	RUSAGE_SELF                     = 0x0 // RUSAGE_THREAD unsupported on z/OS
+	SEEK_CUR                        = 1
+	SEEK_END                        = 2
+	SEEK_SET                        = 0
+	SETAUTOCVTALL                   = 5
+	SETAUTOCVTON                    = 2
+	SETCVTALL                       = 4
+	SETCVTOFF                       = 0
+	SETCVTON                        = 1
+	AF_APPLETALK                    = 16
+	AF_CCITT                        = 10
+	AF_CHAOS                        = 5
+	AF_DATAKIT                      = 9
+	AF_DLI                          = 13
+	AF_ECMA                         = 8
+	AF_HYLINK                       = 15
+	AF_IMPLINK                      = 3
+	AF_INET                         = 2
+	AF_INET6                        = 19
+	AF_INTF                         = 20
+	AF_IUCV                         = 17
+	AF_LAT                          = 14
+	AF_LINK                         = 18
+	AF_MAX                          = 30
+	AF_NBS                          = 7
+	AF_NDD                          = 23
+	AF_NETWARE                      = 22
+	AF_NS                           = 6
+	AF_PUP                          = 4
+	AF_RIF                          = 21
+	AF_ROUTE                        = 20
+	AF_SNA                          = 11
+	AF_UNIX                         = 1
+	AF_UNSPEC                       = 0
+	IBMTCP_IMAGE                    = 1
+	MSG_ACK_EXPECTED                = 0x10
+	MSG_ACK_GEN                     = 0x40
+	MSG_ACK_TIMEOUT                 = 0x20
+	MSG_CONNTERM                    = 0x80
+	MSG_CTRUNC                      = 0x20
+	MSG_DONTROUTE                   = 0x4
+	MSG_EOF                         = 0x8000
+	MSG_EOR                         = 0x8
+	MSG_MAXIOVLEN                   = 16
+	MSG_NONBLOCK                    = 0x4000
+	MSG_OOB                         = 0x1
+	MSG_PEEK                        = 0x2
+	MSG_TRUNC                       = 0x10
+	MSG_WAITALL                     = 0x40
+	PRIO_PROCESS                    = 1
+	PRIO_PGRP                       = 2
+	PRIO_USER                       = 3
+	RLIMIT_CPU                      = 0
+	RLIMIT_FSIZE                    = 1
+	RLIMIT_DATA                     = 2
+	RLIMIT_STACK                    = 3
+	RLIMIT_CORE                     = 4
+	RLIMIT_AS                       = 5
+	RLIMIT_NOFILE                   = 6
+	RLIMIT_MEMLIMIT                 = 7
+	RLIM_INFINITY                   = 2147483647
+	SCM_RIGHTS                      = 0x01
+	SF_CLOSE                        = 0x00000002
+	SF_REUSE                        = 0x00000001
+	SHUT_RD                         = 0
+	SHUT_RDWR                       = 2
+	SHUT_WR                         = 1
+	SOCK_CONN_DGRAM                 = 6
+	SOCK_DGRAM                      = 2
+	SOCK_RAW                        = 3
+	SOCK_RDM                        = 4
+	SOCK_SEQPACKET                  = 5
+	SOCK_STREAM                     = 1
+	SOL_SOCKET                      = 0xffff
+	SOMAXCONN                       = 10
+	SO_ACCEPTCONN                   = 0x0002
+	SO_ACCEPTECONNABORTED           = 0x0006
+	SO_ACKNOW                       = 0x7700
+	SO_BROADCAST                    = 0x0020
+	SO_BULKMODE                     = 0x8000
+	SO_CKSUMRECV                    = 0x0800
+	SO_CLOSE                        = 0x01
+	SO_CLUSTERCONNTYPE              = 0x00004001
+	SO_CLUSTERCONNTYPE_INTERNAL     = 8
+	SO_CLUSTERCONNTYPE_NOCONN       = 0
+	SO_CLUSTERCONNTYPE_NONE         = 1
+	SO_CLUSTERCONNTYPE_SAME_CLUSTER = 2
+	SO_CLUSTERCONNTYPE_SAME_IMAGE   = 4
+	SO_DEBUG                        = 0x0001
+	SO_DONTROUTE                    = 0x0010
+	SO_ERROR                        = 0x1007
+	SO_IGNOREINCOMINGPUSH           = 0x1
+	SO_IGNORESOURCEVIPA             = 0x0002
+	SO_KEEPALIVE                    = 0x0008
+	SO_LINGER                       = 0x0080
+	SO_NONBLOCKLOCAL                = 0x8001
+	SO_NOREUSEADDR                  = 0x1000
+	SO_OOBINLINE                    = 0x0100
+	SO_OPTACK                       = 0x8004
+	SO_OPTMSS                       = 0x8003
+	SO_RCVBUF                       = 0x1002
+	SO_RCVLOWAT                     = 0x1004
+	SO_RCVTIMEO                     = 0x1006
+	SO_REUSEADDR                    = 0x0004
+	SO_REUSEPORT                    = 0x0200
+	SO_SECINFO                      = 0x00004002
+	SO_SET                          = 0x0200
+	SO_SNDBUF                       = 0x1001
+	SO_SNDLOWAT                     = 0x1003
+	SO_SNDTIMEO                     = 0x1005
+	SO_TYPE                         = 0x1008
+	SO_UNSET                        = 0x0400
+	SO_USELOOPBACK                  = 0x0040
+	SO_USE_IFBUFS                   = 0x0400
+	S_ISUID                         = 0x0800
+	S_ISGID                         = 0x0400
+	S_ISVTX                         = 0x0200
+	S_IRUSR                         = 0x0100
+	S_IWUSR                         = 0x0080
+	S_IXUSR                         = 0x0040
+	S_IRWXU                         = 0x01C0
+	S_IRGRP                         = 0x0020
+	S_IWGRP                         = 0x0010
+	S_IXGRP                         = 0x0008
+	S_IRWXG                         = 0x0038
+	S_IROTH                         = 0x0004
+	S_IWOTH                         = 0x0002
+	S_IXOTH                         = 0x0001
+	S_IRWXO                         = 0x0007
+	S_IREAD                         = S_IRUSR
+	S_IWRITE                        = S_IWUSR
+	S_IEXEC                         = S_IXUSR
+	S_IFDIR                         = 0x01000000
+	S_IFCHR                         = 0x02000000
+	S_IFREG                         = 0x03000000
+	S_IFFIFO                        = 0x04000000
+	S_IFIFO                         = 0x04000000
+	S_IFLNK                         = 0x05000000
+	S_IFBLK                         = 0x06000000
+	S_IFSOCK                        = 0x07000000
+	S_IFVMEXTL                      = 0xFE000000
+	S_IFVMEXTL_EXEC                 = 0x00010000
+	S_IFVMEXTL_DATA                 = 0x00020000
+	S_IFVMEXTL_MEL                  = 0x00030000
+	S_IFEXTL                        = 0x00000001
+	S_IFPROGCTL                     = 0x00000002
+	S_IFAPFCTL                      = 0x00000004
+	S_IFNOSHARE                     = 0x00000008
+	S_IFSHARELIB                    = 0x00000010
+	S_IFMT                          = 0xFF000000
+	S_IFMST                         = 0x00FF0000
+	TCP_KEEPALIVE                   = 0x8
+	TCP_NODELAY                     = 0x1
+	TIOCGWINSZ                      = 0x4008a368
+	TIOCSWINSZ                      = 0x8008a367
+	TIOCSBRK                        = 0x2000a77b
+	TIOCCBRK                        = 0x2000a77a
+	TIOCSTI                         = 0x8001a772
+	TIOCGPGRP                       = 0x4004a777 // _IOR(167, 119, int)
+	TCSANOW                         = 0
+	TCSETS                          = 0 // equivalent to TCSANOW for tcsetattr
+	TCSADRAIN                       = 1
+	TCSETSW                         = 1 // equivalent to TCSADRAIN for tcsetattr
+	TCSAFLUSH                       = 2
+	TCSETSF                         = 2 // equivalent to TCSAFLUSH for tcsetattr
+	TCGETS                          = 3 // not defined in ioctl.h -- zos golang only
+	TCIFLUSH                        = 0
+	TCOFLUSH                        = 1
+	TCIOFLUSH                       = 2
+	TCOOFF                          = 0
+	TCOON                           = 1
+	TCIOFF                          = 2
+	TCION                           = 3
+	TIOCSPGRP                       = 0x8004a776
+	TIOCNOTTY                       = 0x2000a771
+	TIOCEXCL                        = 0x2000a70d
+	TIOCNXCL                        = 0x2000a70e
+	TIOCGETD                        = 0x4004a700
+	TIOCSETD                        = 0x8004a701
+	TIOCPKT                         = 0x8004a770
+	TIOCSTOP                        = 0x2000a76f
+	TIOCSTART                       = 0x2000a76e
+	TIOCUCNTL                       = 0x8004a766
+	TIOCREMOTE                      = 0x8004a769
+	TIOCMGET                        = 0x4004a76a
+	TIOCMSET                        = 0x8004a76d
+	TIOCMBIC                        = 0x8004a76b
+	TIOCMBIS                        = 0x8004a76c
+	VINTR                           = 0
+	VQUIT                           = 1
+	VERASE                          = 2
+	VKILL                           = 3
+	VEOF                            = 4
+	VEOL                            = 5
+	VMIN                            = 6
+	VSTART                          = 7
+	VSTOP                           = 8
+	VSUSP                           = 9
+	VTIME                           = 10
+	WCONTINUED                      = 0x4
+	WNOHANG                         = 0x1
+	WUNTRACED                       = 0x2
+	_BPX_SWAP                       = 1
+	_BPX_NONSWAP                    = 2
+	MCL_CURRENT                     = 1  // for Linux compatibility -- no zos semantics
+	MCL_FUTURE                      = 2  // for Linux compatibility -- no zos semantics
+	MCL_ONFAULT                     = 3  // for Linux compatibility -- no zos semantics
+	MADV_NORMAL                     = 0  // for Linux compatibility -- no zos semantics
+	MADV_RANDOM                     = 1  // for Linux compatibility -- no zos semantics
+	MADV_SEQUENTIAL                 = 2  // for Linux compatibility -- no zos semantics
+	MADV_WILLNEED                   = 3  // for Linux compatibility -- no zos semantics
+	MADV_REMOVE                     = 4  // for Linux compatibility -- no zos semantics
+	MADV_DONTFORK                   = 5  // for Linux compatibility -- no zos semantics
+	MADV_DOFORK                     = 6  // for Linux compatibility -- no zos semantics
+	MADV_HWPOISON                   = 7  // for Linux compatibility -- no zos semantics
+	MADV_MERGEABLE                  = 8  // for Linux compatibility -- no zos semantics
+	MADV_UNMERGEABLE                = 9  // for Linux compatibility -- no zos semantics
+	MADV_SOFT_OFFLINE               = 10 // for Linux compatibility -- no zos semantics
+	MADV_HUGEPAGE                   = 11 // for Linux compatibility -- no zos semantics
+	MADV_NOHUGEPAGE                 = 12 // for Linux compatibility -- no zos semantics
+	MADV_DONTDUMP                   = 13 // for Linux compatibility -- no zos semantics
+	MADV_DODUMP                     = 14 // for Linux compatibility -- no zos semantics
+	MADV_FREE                       = 15 // for Linux compatibility -- no zos semantics
+	MADV_WIPEONFORK                 = 16 // for Linux compatibility -- no zos semantics
+	MADV_KEEPONFORK                 = 17 // for Linux compatibility -- no zos semantics
+	AT_SYMLINK_NOFOLLOW             = 1  // for Unix  compatibility -- no zos semantics
+	AT_FDCWD                        = 2  // for Unix  compatibility -- no zos semantics
+)
+
+const (
+	EDOM               = Errno(1)
+	ERANGE             = Errno(2)
+	EACCES             = Errno(111)
+	EAGAIN             = Errno(112)
+	EBADF              = Errno(113)
+	EBUSY              = Errno(114)
+	ECHILD             = Errno(115)
+	EDEADLK            = Errno(116)
+	EEXIST             = Errno(117)
+	EFAULT             = Errno(118)
+	EFBIG              = Errno(119)
+	EINTR              = Errno(120)
+	EINVAL             = Errno(121)
+	EIO                = Errno(122)
+	EISDIR             = Errno(123)
+	EMFILE             = Errno(124)
+	EMLINK             = Errno(125)
+	ENAMETOOLONG       = Errno(126)
+	ENFILE             = Errno(127)
+	ENODEV             = Errno(128)
+	ENOENT             = Errno(129)
+	ENOEXEC            = Errno(130)
+	ENOLCK             = Errno(131)
+	ENOMEM             = Errno(132)
+	ENOSPC             = Errno(133)
+	ENOSYS             = Errno(134)
+	ENOTDIR            = Errno(135)
+	ENOTEMPTY          = Errno(136)
+	ENOTTY             = Errno(137)
+	ENXIO              = Errno(138)
+	EPERM              = Errno(139)
+	EPIPE              = Errno(140)
+	EROFS              = Errno(141)
+	ESPIPE             = Errno(142)
+	ESRCH              = Errno(143)
+	EXDEV              = Errno(144)
+	E2BIG              = Errno(145)
+	ELOOP              = Errno(146)
+	EILSEQ             = Errno(147)
+	ENODATA            = Errno(148)
+	EOVERFLOW          = Errno(149)
+	EMVSNOTUP          = Errno(150)
+	ECMSSTORAGE        = Errno(151)
+	EMVSDYNALC         = Errno(151)
+	EMVSCVAF           = Errno(152)
+	EMVSCATLG          = Errno(153)
+	ECMSINITIAL        = Errno(156)
+	EMVSINITIAL        = Errno(156)
+	ECMSERR            = Errno(157)
+	EMVSERR            = Errno(157)
+	EMVSPARM           = Errno(158)
+	ECMSPFSFILE        = Errno(159)
+	EMVSPFSFILE        = Errno(159)
+	EMVSBADCHAR        = Errno(160)
+	ECMSPFSPERM        = Errno(162)
+	EMVSPFSPERM        = Errno(162)
+	EMVSSAFEXTRERR     = Errno(163)
+	EMVSSAF2ERR        = Errno(164)
+	EMVSTODNOTSET      = Errno(165)
+	EMVSPATHOPTS       = Errno(166)
+	EMVSNORTL          = Errno(167)
+	EMVSEXPIRE         = Errno(168)
+	EMVSPASSWORD       = Errno(169)
+	EMVSWLMERROR       = Errno(170)
+	EMVSCPLERROR       = Errno(171)
+	EMVSARMERROR       = Errno(172)
+	ELENOFORK          = Errno(200)
+	ELEMSGERR          = Errno(201)
+	EFPMASKINV         = Errno(202)
+	EFPMODEINV         = Errno(203)
+	EBUFLEN            = Errno(227)
+	EEXTLINK           = Errno(228)
+	ENODD              = Errno(229)
+	ECMSESMERR         = Errno(230)
+	ECPERR             = Errno(231)
+	ELEMULTITHREAD     = Errno(232)
+	ELEFENCE           = Errno(244)
+	EBADDATA           = Errno(245)
+	EUNKNOWN           = Errno(246)
+	ENOTSUP            = Errno(247)
+	EBADNAME           = Errno(248)
+	ENOTSAFE           = Errno(249)
+	ELEMULTITHREADFORK = Errno(257)
+	ECUNNOENV          = Errno(258)
+	ECUNNOCONV         = Errno(259)
+	ECUNNOTALIGNED     = Errno(260)
+	ECUNERR            = Errno(262)
+	EIBMBADCALL        = Errno(1000)
+	EIBMBADPARM        = Errno(1001)
+	EIBMSOCKOUTOFRANGE = Errno(1002)
+	EIBMSOCKINUSE      = Errno(1003)
+	EIBMIUCVERR        = Errno(1004)
+	EOFFLOADboxERROR   = Errno(1005)
+	EOFFLOADboxRESTART = Errno(1006)
+	EOFFLOADboxDOWN    = Errno(1007)
+	EIBMCONFLICT       = Errno(1008)
+	EIBMCANCELLED      = Errno(1009)
+	EIBMBADTCPNAME     = Errno(1011)
+	ENOTBLK            = Errno(1100)
+	ETXTBSY            = Errno(1101)
+	EWOULDBLOCK        = Errno(1102)
+	EINPROGRESS        = Errno(1103)
+	EALREADY           = Errno(1104)
+	ENOTSOCK           = Errno(1105)
+	EDESTADDRREQ       = Errno(1106)
+	EMSGSIZE           = Errno(1107)
+	EPROTOTYPE         = Errno(1108)
+	ENOPROTOOPT        = Errno(1109)
+	EPROTONOSUPPORT    = Errno(1110)
+	ESOCKTNOSUPPORT    = Errno(1111)
+	EOPNOTSUPP         = Errno(1112)
+	EPFNOSUPPORT       = Errno(1113)
+	EAFNOSUPPORT       = Errno(1114)
+	EADDRINUSE         = Errno(1115)
+	EADDRNOTAVAIL      = Errno(1116)
+	ENETDOWN           = Errno(1117)
+	ENETUNREACH        = Errno(1118)
+	ENETRESET          = Errno(1119)
+	ECONNABORTED       = Errno(1120)
+	ECONNRESET         = Errno(1121)
+	ENOBUFS            = Errno(1122)
+	EISCONN            = Errno(1123)
+	ENOTCONN           = Errno(1124)
+	ESHUTDOWN          = Errno(1125)
+	ETOOMANYREFS       = Errno(1126)
+	ETIMEDOUT          = Errno(1127)
+	ECONNREFUSED       = Errno(1128)
+	EHOSTDOWN          = Errno(1129)
+	EHOSTUNREACH       = Errno(1130)
+	EPROCLIM           = Errno(1131)
+	EUSERS             = Errno(1132)
+	EDQUOT             = Errno(1133)
+	ESTALE             = Errno(1134)
+	EREMOTE            = Errno(1135)
+	ENOSTR             = Errno(1136)
+	ETIME              = Errno(1137)
+	ENOSR              = Errno(1138)
+	ENOMSG             = Errno(1139)
+	EBADMSG            = Errno(1140)
+	EIDRM              = Errno(1141)
+	ENONET             = Errno(1142)
+	ERREMOTE           = Errno(1143)
+	ENOLINK            = Errno(1144)
+	EADV               = Errno(1145)
+	ESRMNT             = Errno(1146)
+	ECOMM              = Errno(1147)
+	EPROTO             = Errno(1148)
+	EMULTIHOP          = Errno(1149)
+	EDOTDOT            = Errno(1150)
+	EREMCHG            = Errno(1151)
+	ECANCELED          = Errno(1152)
+	EINTRNODATA        = Errno(1159)
+	ENOREUSE           = Errno(1160)
+	ENOMOVE            = Errno(1161)
+)
+
+// Signals
+const (
+	SIGHUP    = Signal(1)
+	SIGINT    = Signal(2)
+	SIGABRT   = Signal(3)
+	SIGILL    = Signal(4)
+	SIGPOLL   = Signal(5)
+	SIGURG    = Signal(6)
+	SIGSTOP   = Signal(7)
+	SIGFPE    = Signal(8)
+	SIGKILL   = Signal(9)
+	SIGBUS    = Signal(10)
+	SIGSEGV   = Signal(11)
+	SIGSYS    = Signal(12)
+	SIGPIPE   = Signal(13)
+	SIGALRM   = Signal(14)
+	SIGTERM   = Signal(15)
+	SIGUSR1   = Signal(16)
+	SIGUSR2   = Signal(17)
+	SIGABND   = Signal(18)
+	SIGCONT   = Signal(19)
+	SIGCHLD   = Signal(20)
+	SIGTTIN   = Signal(21)
+	SIGTTOU   = Signal(22)
+	SIGIO     = Signal(23)
+	SIGQUIT   = Signal(24)
+	SIGTSTP   = Signal(25)
+	SIGTRAP   = Signal(26)
+	SIGIOERR  = Signal(27)
+	SIGWINCH  = Signal(28)
+	SIGXCPU   = Signal(29)
+	SIGXFSZ   = Signal(30)
+	SIGVTALRM = Signal(31)
+	SIGPROF   = Signal(32)
+	SIGDANGER = Signal(33)
+	SIGTHSTOP = Signal(34)
+	SIGTHCONT = Signal(35)
+	SIGTRACE  = Signal(37)
+	SIGDCE    = Signal(38)
+	SIGDUMP   = Signal(39)
+)
+
+// Error table
+var errorList = [...]struct {
+	num  Errno
+	name string
+	desc string
+}{
+	{1, "EDC5001I", "A domain error occurred."},
+	{2, "EDC5002I", "A range error occurred."},
+	{111, "EDC5111I", "Permission denied."},
+	{112, "EDC5112I", "Resource temporarily unavailable."},
+	{113, "EDC5113I", "Bad file descriptor."},
+	{114, "EDC5114I", "Resource busy."},
+	{115, "EDC5115I", "No child processes."},
+	{116, "EDC5116I", "Resource deadlock avoided."},
+	{117, "EDC5117I", "File exists."},
+	{118, "EDC5118I", "Incorrect address."},
+	{119, "EDC5119I", "File too large."},
+	{120, "EDC5120I", "Interrupted function call."},
+	{121, "EDC5121I", "Invalid argument."},
+	{122, "EDC5122I", "Input/output error."},
+	{123, "EDC5123I", "Is a directory."},
+	{124, "EDC5124I", "Too many open files."},
+	{125, "EDC5125I", "Too many links."},
+	{126, "EDC5126I", "Filename too long."},
+	{127, "EDC5127I", "Too many open files in system."},
+	{128, "EDC5128I", "No such device."},
+	{129, "EDC5129I", "No such file or directory."},
+	{130, "EDC5130I", "Exec format error."},
+	{131, "EDC5131I", "No locks available."},
+	{132, "EDC5132I", "Not enough memory."},
+	{133, "EDC5133I", "No space left on device."},
+	{134, "EDC5134I", "Function not implemented."},
+	{135, "EDC5135I", "Not a directory."},
+	{136, "EDC5136I", "Directory not empty."},
+	{137, "EDC5137I", "Inappropriate I/O control operation."},
+	{138, "EDC5138I", "No such device or address."},
+	{139, "EDC5139I", "Operation not permitted."},
+	{140, "EDC5140I", "Broken pipe."},
+	{141, "EDC5141I", "Read-only file system."},
+	{142, "EDC5142I", "Invalid seek."},
+	{143, "EDC5143I", "No such process."},
+	{144, "EDC5144I", "Improper link."},
+	{145, "EDC5145I", "The parameter list is too long, or the message to receive was too large for the buffer."},
+	{146, "EDC5146I", "Too many levels of symbolic links."},
+	{147, "EDC5147I", "Illegal byte sequence."},
+	{148, "", ""},
+	{149, "EDC5149I", "Value Overflow Error."},
+	{150, "EDC5150I", "UNIX System Services is not active."},
+	{151, "EDC5151I", "Dynamic allocation error."},
+	{152, "EDC5152I", "Common VTOC access facility (CVAF) error."},
+	{153, "EDC5153I", "Catalog obtain error."},
+	{156, "EDC5156I", "Process initialization error."},
+	{157, "EDC5157I", "An internal error has occurred."},
+	{158, "EDC5158I", "Bad parameters were passed to the service."},
+	{159, "EDC5159I", "The Physical File System encountered a permanent file error."},
+	{160, "EDC5160I", "Bad character in environment variable name."},
+	{162, "EDC5162I", "The Physical File System encountered a system error."},
+	{163, "EDC5163I", "SAF/RACF extract error."},
+	{164, "EDC5164I", "SAF/RACF error."},
+	{165, "EDC5165I", "System TOD clock not set."},
+	{166, "EDC5166I", "Access mode argument on function call conflicts with PATHOPTS parameter on JCL DD statement."},
+	{167, "EDC5167I", "Access to the UNIX System Services version of the C RTL is denied."},
+	{168, "EDC5168I", "Password has expired."},
+	{169, "EDC5169I", "Password is invalid."},
+	{170, "EDC5170I", "An error was encountered with WLM."},
+	{171, "EDC5171I", "An error was encountered with CPL."},
+	{172, "EDC5172I", "An error was encountered with Application Response Measurement (ARM) component."},
+	{200, "EDC5200I", "The application contains a Language Environment member language that cannot tolerate a fork()."},
+	{201, "EDC5201I", "The Language Environment message file was not found in the hierarchical file system."},
+	{202, "EDC5202E", "DLL facilities are not supported under SPC environment."},
+	{203, "EDC5203E", "DLL facilities are not supported under POSIX environment."},
+	{227, "EDC5227I", "Buffer is not long enough to contain a path definition"},
+	{228, "EDC5228I", "The file referred to is an external link"},
+	{229, "EDC5229I", "No path definition for ddname in effect"},
+	{230, "EDC5230I", "ESM error."},
+	{231, "EDC5231I", "CP or the external security manager had an error"},
+	{232, "EDC5232I", "The function failed because it was invoked from a multithread environment."},
+	{244, "EDC5244I", "The program, module or DLL is not supported in this environment."},
+	{245, "EDC5245I", "Data is not valid."},
+	{246, "EDC5246I", "Unknown system state."},
+	{247, "EDC5247I", "Operation not supported."},
+	{248, "EDC5248I", "The object name specified is not correct."},
+	{249, "EDC5249I", "The function is not allowed."},
+	{257, "EDC5257I", "Function cannot be called in the child process of a fork() from a multithreaded process until exec() is called."},
+	{258, "EDC5258I", "A CUN_RS_NO_UNI_ENV error was issued by Unicode Services."},
+	{259, "EDC5259I", "A CUN_RS_NO_CONVERSION error was issued by Unicode Services."},
+	{260, "EDC5260I", "A CUN_RS_TABLE_NOT_ALIGNED error was issued by Unicode Services."},
+	{262, "EDC5262I", "An iconv() function encountered an unexpected error while using Unicode Services."},
+	{1000, "EDC8000I", "A bad socket-call constant was found in the IUCV header."},
+	{1001, "EDC8001I", "An error was found in the IUCV header."},
+	{1002, "EDC8002I", "A socket descriptor is out of range."},
+	{1003, "EDC8003I", "A socket descriptor is in use."},
+	{1004, "EDC8004I", "Request failed because of an IUCV error."},
+	{1005, "EDC8005I", "Offload box error."},
+	{1006, "EDC8006I", "Offload box restarted."},
+	{1007, "EDC8007I", "Offload box down."},
+	{1008, "EDC8008I", "Already a conflicting call outstanding on socket."},
+	{1009, "EDC8009I", "Request cancelled using a SOCKcallCANCEL request."},
+	{1011, "EDC8011I", "A name of a PFS was specified that either is not configured or is not a Sockets PFS."},
+	{1100, "EDC8100I", "Block device required."},
+	{1101, "EDC8101I", "Text file busy."},
+	{1102, "EDC8102I", "Operation would block."},
+	{1103, "EDC8103I", "Operation now in progress."},
+	{1104, "EDC8104I", "Connection already in progress."},
+	{1105, "EDC8105I", "Socket operation on non-socket."},
+	{1106, "EDC8106I", "Destination address required."},
+	{1107, "EDC8107I", "Message too long."},
+	{1108, "EDC8108I", "Protocol wrong type for socket."},
+	{1109, "EDC8109I", "Protocol not available."},
+	{1110, "EDC8110I", "Protocol not supported."},
+	{1111, "EDC8111I", "Socket type not supported."},
+	{1112, "EDC8112I", "Operation not supported on socket."},
+	{1113, "EDC8113I", "Protocol family not supported."},
+	{1114, "EDC8114I", "Address family not supported."},
+	{1115, "EDC8115I", "Address already in use."},
+	{1116, "EDC8116I", "Address not available."},
+	{1117, "EDC8117I", "Network is down."},
+	{1118, "EDC8118I", "Network is unreachable."},
+	{1119, "EDC8119I", "Network dropped connection on reset."},
+	{1120, "EDC8120I", "Connection ended abnormally."},
+	{1121, "EDC8121I", "Connection reset."},
+	{1122, "EDC8122I", "No buffer space available."},
+	{1123, "EDC8123I", "Socket already connected."},
+	{1124, "EDC8124I", "Socket not connected."},
+	{1125, "EDC8125I", "Can't send after socket shutdown."},
+	{1126, "EDC8126I", "Too many references; can't splice."},
+	{1127, "EDC8127I", "Connection timed out."},
+	{1128, "EDC8128I", "Connection refused."},
+	{1129, "EDC8129I", "Host is not available."},
+	{1130, "EDC8130I", "Host cannot be reached."},
+	{1131, "EDC8131I", "Too many processes."},
+	{1132, "EDC8132I", "Too many users."},
+	{1133, "EDC8133I", "Disk quota exceeded."},
+	{1134, "EDC8134I", "Stale file handle."},
+	{1135, "", ""},
+	{1136, "EDC8136I", "File is not a STREAM."},
+	{1137, "EDC8137I", "STREAMS ioctl() timeout."},
+	{1138, "EDC8138I", "No STREAMS resources."},
+	{1139, "EDC8139I", "The message identified by set_id and msg_id is not in the message catalog."},
+	{1140, "EDC8140I", "Bad message."},
+	{1141, "EDC8141I", "Identifier removed."},
+	{1142, "", ""},
+	{1143, "", ""},
+	{1144, "EDC8144I", "The link has been severed."},
+	{1145, "", ""},
+	{1146, "", ""},
+	{1147, "", ""},
+	{1148, "EDC8148I", "Protocol error."},
+	{1149, "EDC8149I", "Multihop not allowed."},
+	{1150, "", ""},
+	{1151, "", ""},
+	{1152, "EDC8152I", "The asynchronous I/O request has been canceled."},
+	{1159, "EDC8159I", "Function call was interrupted before any data was received."},
+	{1160, "EDC8160I", "Socket reuse is not supported."},
+	{1161, "EDC8161I", "The file system cannot currently be moved."},
+}
+
+// Signal table
+var signalList = [...]struct {
+	num  Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGABT", "aborted"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGPOLL", "pollable event"},
+	{6, "SIGURG", "urgent I/O condition"},
+	{7, "SIGSTOP", "stop process"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad argument to routine"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGUSR1", "user defined signal 1"},
+	{17, "SIGUSR2", "user defined signal 2"},
+	{18, "SIGABND", "abend"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGQUIT", "quit"},
+	{25, "SIGTSTP", "stopped"},
+	{26, "SIGTRAP", "trace/breakpoint trap"},
+	{27, "SIGIOER", "I/O error"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGXCPU", "CPU time limit exceeded"},
+	{30, "SIGXFSZ", "file size limit exceeded"},
+	{31, "SIGVTALRM", "virtual timer expired"},
+	{32, "SIGPROF", "profiling timer expired"},
+	{33, "SIGDANGER", "danger"},
+	{34, "SIGTHSTOP", "stop thread"},
+	{35, "SIGTHCONT", "continue thread"},
+	{37, "SIGTRACE", "trace"},
+	{38, "", "DCE"},
+	{39, "SIGDUMP", "dump"},
+}
diff --git a/unix/zsyscall_zos_s390x.go b/unix/zsyscall_zos_s390x.go
new file mode 100644
index 0000000..8285ab8
--- /dev/null
+++ b/unix/zsyscall_zos_s390x.go
@@ -0,0 +1,1217 @@
+// go run mksyscall.go -tags zos,s390x syscall_zos_s390x.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix
+
+import (
+	"unsafe"
+)
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fcntl(fd int, cmd int, arg int) (val int, err error) {
+	r0, _, e1 := syscall_syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
+	val = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func read(fd int, p []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall(SYS_READ, uintptr(fd), uintptr(_p0), uintptr(len(p)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
+	r0, _, e1 := syscall_syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func write(fd int, p []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall(SYS_WRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
+	r0, _, e1 := syscall_syscall(SYS___ACCEPT_A, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
+	_, _, e1 := syscall_syscall(SYS___BIND_A, uintptr(s), uintptr(addr), uintptr(addrlen))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
+	_, _, e1 := syscall_syscall(SYS___CONNECT_A, uintptr(s), uintptr(addr), uintptr(addrlen))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getgroups(n int, list *_Gid_t) (nn int, err error) {
+	r0, _, e1 := syscall_rawsyscall(SYS_GETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0)
+	nn = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func setgroups(n int, list *_Gid_t) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_SETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
+	_, _, e1 := syscall_syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {
+	_, _, e1 := syscall_syscall6(SYS_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func socket(domain int, typ int, proto int) (fd int, err error) {
+	r0, _, e1 := syscall_rawsyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) {
+	_, _, e1 := syscall_rawsyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS___GETPEERNAME_A, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS___GETSOCKNAME_A, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall6(SYS___RECVFROM_A, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := syscall_syscall6(SYS___SENDTO_A, uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
+	r0, _, e1 := syscall_syscall(SYS___RECVMSG_A, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
+	r0, _, e1 := syscall_syscall(SYS___SENDMSG_A, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
+	r0, _, e1 := syscall_syscall6(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos))
+	ret = uintptr(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func munmap(addr uintptr, length uintptr) (err error) {
+	_, _, e1 := syscall_syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ioctl(fd int, req uint, arg uintptr) (err error) {
+	_, _, e1 := syscall_syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Access(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___ACCESS_A, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___CHDIR_A, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chown(path string, uid int, gid int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___CHOWN_A, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chmod(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___CHMOD_A, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Creat(path string, mode uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := syscall_syscall(SYS___CREAT_A, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup(oldfd int) (fd int, err error) {
+	r0, _, e1 := syscall_syscall(SYS_DUP, uintptr(oldfd), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup2(oldfd int, newfd int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Exit(code int) {
+	syscall_syscall(SYS_EXIT, uintptr(code), 0, 0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchdir(fd int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchmod(fd int, mode uint32) (err error) {
+	_, _, e1 := syscall_syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchown(fd int, uid int, gid int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func FcntlInt(fd uintptr, cmd int, arg int) (retval int, err error) {
+	r0, _, e1 := syscall_syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
+	retval = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fstat(fd int, stat *Stat_LE_t) (err error) {
+	_, _, e1 := syscall_syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fstatvfs(fd int, stat *Statvfs_t) (err error) {
+	_, _, e1 := syscall_syscall(SYS_FSTATVFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fsync(fd int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_FSYNC, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Ftruncate(fd int, length int64) (err error) {
+	_, _, e1 := syscall_syscall(SYS_FTRUNCATE, uintptr(fd), uintptr(length), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpagesize() (pgsize int) {
+	r0, _, _ := syscall_syscall(SYS_GETPAGESIZE, 0, 0, 0)
+	pgsize = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mprotect(b []byte, prot int) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := syscall_syscall(SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Msync(b []byte, flags int) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := syscall_syscall(SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Poll(fds []PollFd, timeout int) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(fds) > 0 {
+		_p0 = unsafe.Pointer(&fds[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall(SYS_POLL, uintptr(_p0), uintptr(len(fds)), uintptr(timeout))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Times(tms *Tms) (ticks uintptr, err error) {
+	r0, _, e1 := syscall_syscall(SYS_TIMES, uintptr(unsafe.Pointer(tms)), 0, 0)
+	ticks = uintptr(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func W_Getmntent(buff *byte, size int) (lastsys int, err error) {
+	r0, _, e1 := syscall_syscall(SYS_W_GETMNTENT, uintptr(unsafe.Pointer(buff)), uintptr(size), 0)
+	lastsys = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mount(path string, filesystem string, fstype string, mtm uint32, parmlen int32, parm string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(filesystem)
+	if err != nil {
+		return
+	}
+	var _p2 *byte
+	_p2, err = BytePtrFromString(fstype)
+	if err != nil {
+		return
+	}
+	var _p3 *byte
+	_p3, err = BytePtrFromString(parm)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(SYS___MOUNT_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(_p2)), uintptr(mtm), uintptr(parmlen), uintptr(unsafe.Pointer(_p3)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Unmount(filesystem string, mtm int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(filesystem)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___UMOUNT_A, uintptr(unsafe.Pointer(_p0)), uintptr(mtm), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chroot(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___CHROOT_A, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Uname(buf *Utsname) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS___UNAME_A, uintptr(unsafe.Pointer(buf)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Gethostname(buf []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := syscall_syscall(SYS___GETHOSTNAME_A, uintptr(_p0), uintptr(len(buf)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getegid() (egid int) {
+	r0, _, _ := syscall_rawsyscall(SYS_GETEGID, 0, 0, 0)
+	egid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Geteuid() (uid int) {
+	r0, _, _ := syscall_rawsyscall(SYS_GETEUID, 0, 0, 0)
+	uid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getgid() (gid int) {
+	r0, _, _ := syscall_rawsyscall(SYS_GETGID, 0, 0, 0)
+	gid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpid() (pid int) {
+	r0, _, _ := syscall_rawsyscall(SYS_GETPID, 0, 0, 0)
+	pid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpgid(pid int) (pgid int, err error) {
+	r0, _, e1 := syscall_rawsyscall(SYS_GETPGID, uintptr(pid), 0, 0)
+	pgid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getppid() (pid int) {
+	r0, _, _ := syscall_rawsyscall(SYS_GETPPID, 0, 0, 0)
+	pid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpriority(which int, who int) (prio int, err error) {
+	r0, _, e1 := syscall_syscall(SYS_GETPRIORITY, uintptr(which), uintptr(who), 0)
+	prio = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getrlimit(resource int, rlim *Rlimit) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_GETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getrusage(who int, rusage *rusage_zos) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := syscall_rawsyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getuid() (uid int) {
+	r0, _, _ := syscall_rawsyscall(SYS_GETUID, 0, 0, 0)
+	uid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Kill(pid int, sig Signal) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_KILL, uintptr(pid), uintptr(sig), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Lchown(path string, uid int, gid int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___LCHOWN_A, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Link(path string, link string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___LINK_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Listen(s int, n int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func lstat(path string, stat *Stat_LE_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___LSTAT_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mkdir(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___MKDIR_A, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mkfifo(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___MKFIFO_A, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mknod(path string, mode uint32, dev int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___MKNOD_A, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pread(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Readlink(path string, buf []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(buf) > 0 {
+		_p1 = unsafe.Pointer(&buf[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall(SYS___READLINK_A, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Rename(from string, to string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(from)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(to)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___RENAME_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Rmdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___RMDIR_A, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Seek(fd int, offset int64, whence int) (off int64, err error) {
+	r0, _, e1 := syscall_syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
+	off = int64(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setpriority(which int, who int, prio int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_SETPRIORITY, uintptr(which), uintptr(who), uintptr(prio))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setpgid(pid int, pgid int) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setrlimit(resource int, lim *Rlimit) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(lim)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setregid(rgid int, egid int) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setreuid(ruid int, euid int) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setsid() (pid int, err error) {
+	r0, _, e1 := syscall_rawsyscall(SYS_SETSID, 0, 0, 0)
+	pid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setuid(uid int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_SETUID, uintptr(uid), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setgid(uid int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_SETGID, uintptr(uid), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Shutdown(fd int, how int) (err error) {
+	_, _, e1 := syscall_syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func stat(path string, statLE *Stat_LE_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___STAT_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(statLE)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Symlink(path string, link string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___SYMLINK_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Sync() {
+	syscall_syscall(SYS_SYNC, 0, 0, 0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Truncate(path string, length int64) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___TRUNCATE_A, uintptr(unsafe.Pointer(_p0)), uintptr(length), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Tcgetattr(fildes int, termptr *Termios) (err error) {
+	_, _, e1 := syscall_syscall(SYS_TCGETATTR, uintptr(fildes), uintptr(unsafe.Pointer(termptr)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Tcsetattr(fildes int, when int, termptr *Termios) (err error) {
+	_, _, e1 := syscall_syscall(SYS_TCSETATTR, uintptr(fildes), uintptr(when), uintptr(unsafe.Pointer(termptr)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Umask(mask int) (oldmask int) {
+	r0, _, _ := syscall_syscall(SYS_UMASK, uintptr(mask), 0, 0)
+	oldmask = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Unlink(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___UNLINK_A, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Utime(path string, utim *Utimbuf) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___UTIME_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(utim)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func open(path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := syscall_syscall(SYS___OPEN_A, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func remove(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func waitpid(pid int, wstatus *_C_int, options int) (wpid int, err error) {
+	r0, _, e1 := syscall_syscall(SYS_WAITPID, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options))
+	wpid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func gettimeofday(tv *timeval_zos) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe(p *[2]_C_int) (err error) {
+	_, _, e1 := syscall_rawsyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func utimes(path string, timeval *[2]Timeval) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(SYS___UTIMES_A, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
diff --git a/unix/zsysnum_zos_s390x.go b/unix/zsysnum_zos_s390x.go
new file mode 100644
index 0000000..073daad
--- /dev/null
+++ b/unix/zsysnum_zos_s390x.go
@@ -0,0 +1,2670 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix
+
+// TODO: auto-generate.
+
+const (
+	SYS_ACOSD128                        = 0xB80
+	SYS_ACOSD32                         = 0xB7E
+	SYS_ACOSD64                         = 0xB7F
+	SYS_ACOSHD128                       = 0xB83
+	SYS_ACOSHD32                        = 0xB81
+	SYS_ACOSHD64                        = 0xB82
+	SYS_AIO_FSYNC                       = 0xC69
+	SYS_ASCTIME                         = 0x0AE
+	SYS_ASCTIME64                       = 0xCD7
+	SYS_ASCTIME64_R                     = 0xCD8
+	SYS_ASIND128                        = 0xB86
+	SYS_ASIND32                         = 0xB84
+	SYS_ASIND64                         = 0xB85
+	SYS_ASINHD128                       = 0xB89
+	SYS_ASINHD32                        = 0xB87
+	SYS_ASINHD64                        = 0xB88
+	SYS_ATAN2D128                       = 0xB8F
+	SYS_ATAN2D32                        = 0xB8D
+	SYS_ATAN2D64                        = 0xB8E
+	SYS_ATAND128                        = 0xB8C
+	SYS_ATAND32                         = 0xB8A
+	SYS_ATAND64                         = 0xB8B
+	SYS_ATANHD128                       = 0xB92
+	SYS_ATANHD32                        = 0xB90
+	SYS_ATANHD64                        = 0xB91
+	SYS_BIND2ADDRSEL                    = 0xD59
+	SYS_C16RTOMB                        = 0xD40
+	SYS_C32RTOMB                        = 0xD41
+	SYS_CBRTD128                        = 0xB95
+	SYS_CBRTD32                         = 0xB93
+	SYS_CBRTD64                         = 0xB94
+	SYS_CEILD128                        = 0xB98
+	SYS_CEILD32                         = 0xB96
+	SYS_CEILD64                         = 0xB97
+	SYS_CLEARENV                        = 0x0C9
+	SYS_CLEARERR_UNLOCKED               = 0xCA1
+	SYS_CLOCK                           = 0x0AA
+	SYS_CLOGL                           = 0xA00
+	SYS_CLRMEMF                         = 0x0BD
+	SYS_CONJ                            = 0xA03
+	SYS_CONJF                           = 0xA06
+	SYS_CONJL                           = 0xA09
+	SYS_COPYSIGND128                    = 0xB9E
+	SYS_COPYSIGND32                     = 0xB9C
+	SYS_COPYSIGND64                     = 0xB9D
+	SYS_COSD128                         = 0xBA1
+	SYS_COSD32                          = 0xB9F
+	SYS_COSD64                          = 0xBA0
+	SYS_COSHD128                        = 0xBA4
+	SYS_COSHD32                         = 0xBA2
+	SYS_COSHD64                         = 0xBA3
+	SYS_CPOW                            = 0xA0C
+	SYS_CPOWF                           = 0xA0F
+	SYS_CPOWL                           = 0xA12
+	SYS_CPROJ                           = 0xA15
+	SYS_CPROJF                          = 0xA18
+	SYS_CPROJL                          = 0xA1B
+	SYS_CREAL                           = 0xA1E
+	SYS_CREALF                          = 0xA21
+	SYS_CREALL                          = 0xA24
+	SYS_CSIN                            = 0xA27
+	SYS_CSINF                           = 0xA2A
+	SYS_CSINH                           = 0xA30
+	SYS_CSINHF                          = 0xA33
+	SYS_CSINHL                          = 0xA36
+	SYS_CSINL                           = 0xA2D
+	SYS_CSNAP                           = 0x0C5
+	SYS_CSQRT                           = 0xA39
+	SYS_CSQRTF                          = 0xA3C
+	SYS_CSQRTL                          = 0xA3F
+	SYS_CTAN                            = 0xA42
+	SYS_CTANF                           = 0xA45
+	SYS_CTANH                           = 0xA4B
+	SYS_CTANHF                          = 0xA4E
+	SYS_CTANHL                          = 0xA51
+	SYS_CTANL                           = 0xA48
+	SYS_CTIME                           = 0x0AB
+	SYS_CTIME64                         = 0xCD9
+	SYS_CTIME64_R                       = 0xCDA
+	SYS_CTRACE                          = 0x0C6
+	SYS_DIFFTIME                        = 0x0A7
+	SYS_DIFFTIME64                      = 0xCDB
+	SYS_DLADDR                          = 0xC82
+	SYS_DYNALLOC                        = 0x0C3
+	SYS_DYNFREE                         = 0x0C2
+	SYS_ERFCD128                        = 0xBAA
+	SYS_ERFCD32                         = 0xBA8
+	SYS_ERFCD64                         = 0xBA9
+	SYS_ERFD128                         = 0xBA7
+	SYS_ERFD32                          = 0xBA5
+	SYS_ERFD64                          = 0xBA6
+	SYS_EXP2D128                        = 0xBB0
+	SYS_EXP2D32                         = 0xBAE
+	SYS_EXP2D64                         = 0xBAF
+	SYS_EXPD128                         = 0xBAD
+	SYS_EXPD32                          = 0xBAB
+	SYS_EXPD64                          = 0xBAC
+	SYS_EXPM1D128                       = 0xBB3
+	SYS_EXPM1D32                        = 0xBB1
+	SYS_EXPM1D64                        = 0xBB2
+	SYS_FABSD128                        = 0xBB6
+	SYS_FABSD32                         = 0xBB4
+	SYS_FABSD64                         = 0xBB5
+	SYS_FDELREC_UNLOCKED                = 0xCA2
+	SYS_FDIMD128                        = 0xBB9
+	SYS_FDIMD32                         = 0xBB7
+	SYS_FDIMD64                         = 0xBB8
+	SYS_FDOPEN_UNLOCKED                 = 0xCFC
+	SYS_FECLEAREXCEPT                   = 0xAEA
+	SYS_FEGETENV                        = 0xAEB
+	SYS_FEGETEXCEPTFLAG                 = 0xAEC
+	SYS_FEGETROUND                      = 0xAED
+	SYS_FEHOLDEXCEPT                    = 0xAEE
+	SYS_FEOF_UNLOCKED                   = 0xCA3
+	SYS_FERAISEEXCEPT                   = 0xAEF
+	SYS_FERROR_UNLOCKED                 = 0xCA4
+	SYS_FESETENV                        = 0xAF0
+	SYS_FESETEXCEPTFLAG                 = 0xAF1
+	SYS_FESETROUND                      = 0xAF2
+	SYS_FETCHEP                         = 0x0BF
+	SYS_FETESTEXCEPT                    = 0xAF3
+	SYS_FEUPDATEENV                     = 0xAF4
+	SYS_FE_DEC_GETROUND                 = 0xBBA
+	SYS_FE_DEC_SETROUND                 = 0xBBB
+	SYS_FFLUSH_UNLOCKED                 = 0xCA5
+	SYS_FGETC_UNLOCKED                  = 0xC80
+	SYS_FGETPOS64                       = 0xCEE
+	SYS_FGETPOS64_UNLOCKED              = 0xCF4
+	SYS_FGETPOS_UNLOCKED                = 0xCA6
+	SYS_FGETS_UNLOCKED                  = 0xC7C
+	SYS_FGETWC_UNLOCKED                 = 0xCA7
+	SYS_FGETWS_UNLOCKED                 = 0xCA8
+	SYS_FILENO_UNLOCKED                 = 0xCA9
+	SYS_FLDATA                          = 0x0C1
+	SYS_FLDATA_UNLOCKED                 = 0xCAA
+	SYS_FLOCATE_UNLOCKED                = 0xCAB
+	SYS_FLOORD128                       = 0xBBE
+	SYS_FLOORD32                        = 0xBBC
+	SYS_FLOORD64                        = 0xBBD
+	SYS_FMA                             = 0xA63
+	SYS_FMAD128                         = 0xBC1
+	SYS_FMAD32                          = 0xBBF
+	SYS_FMAD64                          = 0xBC0
+	SYS_FMAF                            = 0xA66
+	SYS_FMAL                            = 0xA69
+	SYS_FMAX                            = 0xA6C
+	SYS_FMAXD128                        = 0xBC4
+	SYS_FMAXD32                         = 0xBC2
+	SYS_FMAXD64                         = 0xBC3
+	SYS_FMAXF                           = 0xA6F
+	SYS_FMAXL                           = 0xA72
+	SYS_FMIN                            = 0xA75
+	SYS_FMIND128                        = 0xBC7
+	SYS_FMIND32                         = 0xBC5
+	SYS_FMIND64                         = 0xBC6
+	SYS_FMINF                           = 0xA78
+	SYS_FMINL                           = 0xA7B
+	SYS_FMODD128                        = 0xBCA
+	SYS_FMODD32                         = 0xBC8
+	SYS_FMODD64                         = 0xBC9
+	SYS_FOPEN64                         = 0xD49
+	SYS_FOPEN64_UNLOCKED                = 0xD4A
+	SYS_FOPEN_UNLOCKED                  = 0xCFA
+	SYS_FPRINTF_UNLOCKED                = 0xCAC
+	SYS_FPUTC_UNLOCKED                  = 0xC81
+	SYS_FPUTS_UNLOCKED                  = 0xC7E
+	SYS_FPUTWC_UNLOCKED                 = 0xCAD
+	SYS_FPUTWS_UNLOCKED                 = 0xCAE
+	SYS_FREAD_NOUPDATE                  = 0xCEC
+	SYS_FREAD_NOUPDATE_UNLOCKED         = 0xCED
+	SYS_FREAD_UNLOCKED                  = 0xC7B
+	SYS_FREEIFADDRS                     = 0xCE6
+	SYS_FREOPEN64                       = 0xD4B
+	SYS_FREOPEN64_UNLOCKED              = 0xD4C
+	SYS_FREOPEN_UNLOCKED                = 0xCFB
+	SYS_FREXPD128                       = 0xBCE
+	SYS_FREXPD32                        = 0xBCC
+	SYS_FREXPD64                        = 0xBCD
+	SYS_FSCANF_UNLOCKED                 = 0xCAF
+	SYS_FSEEK64                         = 0xCEF
+	SYS_FSEEK64_UNLOCKED                = 0xCF5
+	SYS_FSEEKO64                        = 0xCF0
+	SYS_FSEEKO64_UNLOCKED               = 0xCF6
+	SYS_FSEEKO_UNLOCKED                 = 0xCB1
+	SYS_FSEEK_UNLOCKED                  = 0xCB0
+	SYS_FSETPOS64                       = 0xCF1
+	SYS_FSETPOS64_UNLOCKED              = 0xCF7
+	SYS_FSETPOS_UNLOCKED                = 0xCB3
+	SYS_FTELL64                         = 0xCF2
+	SYS_FTELL64_UNLOCKED                = 0xCF8
+	SYS_FTELLO64                        = 0xCF3
+	SYS_FTELLO64_UNLOCKED               = 0xCF9
+	SYS_FTELLO_UNLOCKED                 = 0xCB5
+	SYS_FTELL_UNLOCKED                  = 0xCB4
+	SYS_FUPDATE                         = 0x0B5
+	SYS_FUPDATE_UNLOCKED                = 0xCB7
+	SYS_FWIDE_UNLOCKED                  = 0xCB8
+	SYS_FWPRINTF_UNLOCKED               = 0xCB9
+	SYS_FWRITE_UNLOCKED                 = 0xC7A
+	SYS_FWSCANF_UNLOCKED                = 0xCBA
+	SYS_GETDATE64                       = 0xD4F
+	SYS_GETIFADDRS                      = 0xCE7
+	SYS_GETIPV4SOURCEFILTER             = 0xC77
+	SYS_GETSOURCEFILTER                 = 0xC79
+	SYS_GETSYNTX                        = 0x0FD
+	SYS_GETS_UNLOCKED                   = 0xC7D
+	SYS_GETTIMEOFDAY64                  = 0xD50
+	SYS_GETWCHAR_UNLOCKED               = 0xCBC
+	SYS_GETWC_UNLOCKED                  = 0xCBB
+	SYS_GMTIME                          = 0x0B0
+	SYS_GMTIME64                        = 0xCDC
+	SYS_GMTIME64_R                      = 0xCDD
+	SYS_HYPOTD128                       = 0xBD1
+	SYS_HYPOTD32                        = 0xBCF
+	SYS_HYPOTD64                        = 0xBD0
+	SYS_ILOGBD128                       = 0xBD4
+	SYS_ILOGBD32                        = 0xBD2
+	SYS_ILOGBD64                        = 0xBD3
+	SYS_ILOGBF                          = 0xA7E
+	SYS_ILOGBL                          = 0xA81
+	SYS_INET6_IS_SRCADDR                = 0xD5A
+	SYS_ISBLANK                         = 0x0FE
+	SYS_ISWALNUM                        = 0x0FF
+	SYS_LDEXPD128                       = 0xBD7
+	SYS_LDEXPD32                        = 0xBD5
+	SYS_LDEXPD64                        = 0xBD6
+	SYS_LGAMMAD128                      = 0xBDA
+	SYS_LGAMMAD32                       = 0xBD8
+	SYS_LGAMMAD64                       = 0xBD9
+	SYS_LIO_LISTIO                      = 0xC6A
+	SYS_LLRINT                          = 0xA84
+	SYS_LLRINTD128                      = 0xBDD
+	SYS_LLRINTD32                       = 0xBDB
+	SYS_LLRINTD64                       = 0xBDC
+	SYS_LLRINTF                         = 0xA87
+	SYS_LLRINTL                         = 0xA8A
+	SYS_LLROUND                         = 0xA8D
+	SYS_LLROUNDD128                     = 0xBE0
+	SYS_LLROUNDD32                      = 0xBDE
+	SYS_LLROUNDD64                      = 0xBDF
+	SYS_LLROUNDF                        = 0xA90
+	SYS_LLROUNDL                        = 0xA93
+	SYS_LOCALTIM                        = 0x0B1
+	SYS_LOCALTIME                       = 0x0B1
+	SYS_LOCALTIME64                     = 0xCDE
+	SYS_LOCALTIME64_R                   = 0xCDF
+	SYS_LOG10D128                       = 0xBE6
+	SYS_LOG10D32                        = 0xBE4
+	SYS_LOG10D64                        = 0xBE5
+	SYS_LOG1PD128                       = 0xBE9
+	SYS_LOG1PD32                        = 0xBE7
+	SYS_LOG1PD64                        = 0xBE8
+	SYS_LOG2D128                        = 0xBEC
+	SYS_LOG2D32                         = 0xBEA
+	SYS_LOG2D64                         = 0xBEB
+	SYS_LOGBD128                        = 0xBEF
+	SYS_LOGBD32                         = 0xBED
+	SYS_LOGBD64                         = 0xBEE
+	SYS_LOGBF                           = 0xA96
+	SYS_LOGBL                           = 0xA99
+	SYS_LOGD128                         = 0xBE3
+	SYS_LOGD32                          = 0xBE1
+	SYS_LOGD64                          = 0xBE2
+	SYS_LRINT                           = 0xA9C
+	SYS_LRINTD128                       = 0xBF2
+	SYS_LRINTD32                        = 0xBF0
+	SYS_LRINTD64                        = 0xBF1
+	SYS_LRINTF                          = 0xA9F
+	SYS_LRINTL                          = 0xAA2
+	SYS_LROUNDD128                      = 0xBF5
+	SYS_LROUNDD32                       = 0xBF3
+	SYS_LROUNDD64                       = 0xBF4
+	SYS_LROUNDL                         = 0xAA5
+	SYS_MBLEN                           = 0x0AF
+	SYS_MBRTOC16                        = 0xD42
+	SYS_MBRTOC32                        = 0xD43
+	SYS_MEMSET                          = 0x0A3
+	SYS_MKTIME                          = 0x0AC
+	SYS_MKTIME64                        = 0xCE0
+	SYS_MODFD128                        = 0xBF8
+	SYS_MODFD32                         = 0xBF6
+	SYS_MODFD64                         = 0xBF7
+	SYS_NAN                             = 0xAA8
+	SYS_NAND128                         = 0xBFB
+	SYS_NAND32                          = 0xBF9
+	SYS_NAND64                          = 0xBFA
+	SYS_NANF                            = 0xAAA
+	SYS_NANL                            = 0xAAC
+	SYS_NEARBYINT                       = 0xAAE
+	SYS_NEARBYINTD128                   = 0xBFE
+	SYS_NEARBYINTD32                    = 0xBFC
+	SYS_NEARBYINTD64                    = 0xBFD
+	SYS_NEARBYINTF                      = 0xAB1
+	SYS_NEARBYINTL                      = 0xAB4
+	SYS_NEXTAFTERD128                   = 0xC01
+	SYS_NEXTAFTERD32                    = 0xBFF
+	SYS_NEXTAFTERD64                    = 0xC00
+	SYS_NEXTAFTERF                      = 0xAB7
+	SYS_NEXTAFTERL                      = 0xABA
+	SYS_NEXTTOWARD                      = 0xABD
+	SYS_NEXTTOWARDD128                  = 0xC04
+	SYS_NEXTTOWARDD32                   = 0xC02
+	SYS_NEXTTOWARDD64                   = 0xC03
+	SYS_NEXTTOWARDF                     = 0xAC0
+	SYS_NEXTTOWARDL                     = 0xAC3
+	SYS_NL_LANGINFO                     = 0x0FC
+	SYS_PERROR_UNLOCKED                 = 0xCBD
+	SYS_POSIX_FALLOCATE                 = 0xCE8
+	SYS_POSIX_MEMALIGN                  = 0xCE9
+	SYS_POSIX_OPENPT                    = 0xC66
+	SYS_POWD128                         = 0xC07
+	SYS_POWD32                          = 0xC05
+	SYS_POWD64                          = 0xC06
+	SYS_PRINTF_UNLOCKED                 = 0xCBE
+	SYS_PSELECT                         = 0xC67
+	SYS_PTHREAD_ATTR_GETSTACK           = 0xB3E
+	SYS_PTHREAD_ATTR_SETSTACK           = 0xB3F
+	SYS_PTHREAD_SECURITY_APPLID_NP      = 0xCE4
+	SYS_PUTS_UNLOCKED                   = 0xC7F
+	SYS_PUTWCHAR_UNLOCKED               = 0xCC0
+	SYS_PUTWC_UNLOCKED                  = 0xCBF
+	SYS_QUANTEXPD128                    = 0xD46
+	SYS_QUANTEXPD32                     = 0xD44
+	SYS_QUANTEXPD64                     = 0xD45
+	SYS_QUANTIZED128                    = 0xC0A
+	SYS_QUANTIZED32                     = 0xC08
+	SYS_QUANTIZED64                     = 0xC09
+	SYS_REMAINDERD128                   = 0xC0D
+	SYS_REMAINDERD32                    = 0xC0B
+	SYS_REMAINDERD64                    = 0xC0C
+	SYS_RESIZE_ALLOC                    = 0xCEB
+	SYS_REWIND_UNLOCKED                 = 0xCC1
+	SYS_RINTD128                        = 0xC13
+	SYS_RINTD32                         = 0xC11
+	SYS_RINTD64                         = 0xC12
+	SYS_RINTF                           = 0xACB
+	SYS_RINTL                           = 0xACD
+	SYS_ROUND                           = 0xACF
+	SYS_ROUNDD128                       = 0xC16
+	SYS_ROUNDD32                        = 0xC14
+	SYS_ROUNDD64                        = 0xC15
+	SYS_ROUNDF                          = 0xAD2
+	SYS_ROUNDL                          = 0xAD5
+	SYS_SAMEQUANTUMD128                 = 0xC19
+	SYS_SAMEQUANTUMD32                  = 0xC17
+	SYS_SAMEQUANTUMD64                  = 0xC18
+	SYS_SCALBLN                         = 0xAD8
+	SYS_SCALBLND128                     = 0xC1C
+	SYS_SCALBLND32                      = 0xC1A
+	SYS_SCALBLND64                      = 0xC1B
+	SYS_SCALBLNF                        = 0xADB
+	SYS_SCALBLNL                        = 0xADE
+	SYS_SCALBND128                      = 0xC1F
+	SYS_SCALBND32                       = 0xC1D
+	SYS_SCALBND64                       = 0xC1E
+	SYS_SCALBNF                         = 0xAE3
+	SYS_SCALBNL                         = 0xAE6
+	SYS_SCANF_UNLOCKED                  = 0xCC2
+	SYS_SCHED_YIELD                     = 0xB32
+	SYS_SETENV                          = 0x0C8
+	SYS_SETIPV4SOURCEFILTER             = 0xC76
+	SYS_SETSOURCEFILTER                 = 0xC78
+	SYS_SHM_OPEN                        = 0xC8C
+	SYS_SHM_UNLINK                      = 0xC8D
+	SYS_SIND128                         = 0xC22
+	SYS_SIND32                          = 0xC20
+	SYS_SIND64                          = 0xC21
+	SYS_SINHD128                        = 0xC25
+	SYS_SINHD32                         = 0xC23
+	SYS_SINHD64                         = 0xC24
+	SYS_SIZEOF_ALLOC                    = 0xCEA
+	SYS_SOCKATMARK                      = 0xC68
+	SYS_SQRTD128                        = 0xC28
+	SYS_SQRTD32                         = 0xC26
+	SYS_SQRTD64                         = 0xC27
+	SYS_STRCHR                          = 0x0A0
+	SYS_STRCSPN                         = 0x0A1
+	SYS_STRERROR                        = 0x0A8
+	SYS_STRERROR_R                      = 0xB33
+	SYS_STRFTIME                        = 0x0B2
+	SYS_STRLEN                          = 0x0A9
+	SYS_STRPBRK                         = 0x0A2
+	SYS_STRSPN                          = 0x0A4
+	SYS_STRSTR                          = 0x0A5
+	SYS_STRTOD128                       = 0xC2B
+	SYS_STRTOD32                        = 0xC29
+	SYS_STRTOD64                        = 0xC2A
+	SYS_STRTOK                          = 0x0A6
+	SYS_TAND128                         = 0xC2E
+	SYS_TAND32                          = 0xC2C
+	SYS_TAND64                          = 0xC2D
+	SYS_TANHD128                        = 0xC31
+	SYS_TANHD32                         = 0xC2F
+	SYS_TANHD64                         = 0xC30
+	SYS_TGAMMAD128                      = 0xC34
+	SYS_TGAMMAD32                       = 0xC32
+	SYS_TGAMMAD64                       = 0xC33
+	SYS_TIME                            = 0x0AD
+	SYS_TIME64                          = 0xCE1
+	SYS_TMPFILE64                       = 0xD4D
+	SYS_TMPFILE64_UNLOCKED              = 0xD4E
+	SYS_TMPFILE_UNLOCKED                = 0xCFD
+	SYS_TRUNCD128                       = 0xC40
+	SYS_TRUNCD32                        = 0xC3E
+	SYS_TRUNCD64                        = 0xC3F
+	SYS_UNGETC_UNLOCKED                 = 0xCC3
+	SYS_UNGETWC_UNLOCKED                = 0xCC4
+	SYS_UNSETENV                        = 0xB34
+	SYS_VFPRINTF_UNLOCKED               = 0xCC5
+	SYS_VFSCANF_UNLOCKED                = 0xCC7
+	SYS_VFWPRINTF_UNLOCKED              = 0xCC9
+	SYS_VFWSCANF_UNLOCKED               = 0xCCB
+	SYS_VPRINTF_UNLOCKED                = 0xCCD
+	SYS_VSCANF_UNLOCKED                 = 0xCCF
+	SYS_VWPRINTF_UNLOCKED               = 0xCD1
+	SYS_VWSCANF_UNLOCKED                = 0xCD3
+	SYS_WCSTOD128                       = 0xC43
+	SYS_WCSTOD32                        = 0xC41
+	SYS_WCSTOD64                        = 0xC42
+	SYS_WPRINTF_UNLOCKED                = 0xCD5
+	SYS_WSCANF_UNLOCKED                 = 0xCD6
+	SYS__FLUSHLBF                       = 0xD68
+	SYS__FLUSHLBF_UNLOCKED              = 0xD6F
+	SYS___ACOSHF_H                      = 0xA54
+	SYS___ACOSHL_H                      = 0xA55
+	SYS___ASINHF_H                      = 0xA56
+	SYS___ASINHL_H                      = 0xA57
+	SYS___ATANPID128                    = 0xC6D
+	SYS___ATANPID32                     = 0xC6B
+	SYS___ATANPID64                     = 0xC6C
+	SYS___CBRTF_H                       = 0xA58
+	SYS___CBRTL_H                       = 0xA59
+	SYS___CDUMP                         = 0x0C4
+	SYS___CLASS                         = 0xAFA
+	SYS___CLASS2                        = 0xB99
+	SYS___CLASS2D128                    = 0xC99
+	SYS___CLASS2D32                     = 0xC97
+	SYS___CLASS2D64                     = 0xC98
+	SYS___CLASS2F                       = 0xC91
+	SYS___CLASS2F_B                     = 0xC93
+	SYS___CLASS2F_H                     = 0xC94
+	SYS___CLASS2L                       = 0xC92
+	SYS___CLASS2L_B                     = 0xC95
+	SYS___CLASS2L_H                     = 0xC96
+	SYS___CLASS2_B                      = 0xB9A
+	SYS___CLASS2_H                      = 0xB9B
+	SYS___CLASS_B                       = 0xAFB
+	SYS___CLASS_H                       = 0xAFC
+	SYS___CLOGL_B                       = 0xA01
+	SYS___CLOGL_H                       = 0xA02
+	SYS___CLRENV                        = 0x0C9
+	SYS___CLRMF                         = 0x0BD
+	SYS___CODEPAGE_INFO                 = 0xC64
+	SYS___CONJF_B                       = 0xA07
+	SYS___CONJF_H                       = 0xA08
+	SYS___CONJL_B                       = 0xA0A
+	SYS___CONJL_H                       = 0xA0B
+	SYS___CONJ_B                        = 0xA04
+	SYS___CONJ_H                        = 0xA05
+	SYS___COPYSIGN_B                    = 0xA5A
+	SYS___COPYSIGN_H                    = 0xAF5
+	SYS___COSPID128                     = 0xC70
+	SYS___COSPID32                      = 0xC6E
+	SYS___COSPID64                      = 0xC6F
+	SYS___CPOWF_B                       = 0xA10
+	SYS___CPOWF_H                       = 0xA11
+	SYS___CPOWL_B                       = 0xA13
+	SYS___CPOWL_H                       = 0xA14
+	SYS___CPOW_B                        = 0xA0D
+	SYS___CPOW_H                        = 0xA0E
+	SYS___CPROJF_B                      = 0xA19
+	SYS___CPROJF_H                      = 0xA1A
+	SYS___CPROJL_B                      = 0xA1C
+	SYS___CPROJL_H                      = 0xA1D
+	SYS___CPROJ_B                       = 0xA16
+	SYS___CPROJ_H                       = 0xA17
+	SYS___CREALF_B                      = 0xA22
+	SYS___CREALF_H                      = 0xA23
+	SYS___CREALL_B                      = 0xA25
+	SYS___CREALL_H                      = 0xA26
+	SYS___CREAL_B                       = 0xA1F
+	SYS___CREAL_H                       = 0xA20
+	SYS___CSINF_B                       = 0xA2B
+	SYS___CSINF_H                       = 0xA2C
+	SYS___CSINHF_B                      = 0xA34
+	SYS___CSINHF_H                      = 0xA35
+	SYS___CSINHL_B                      = 0xA37
+	SYS___CSINHL_H                      = 0xA38
+	SYS___CSINH_B                       = 0xA31
+	SYS___CSINH_H                       = 0xA32
+	SYS___CSINL_B                       = 0xA2E
+	SYS___CSINL_H                       = 0xA2F
+	SYS___CSIN_B                        = 0xA28
+	SYS___CSIN_H                        = 0xA29
+	SYS___CSNAP                         = 0x0C5
+	SYS___CSQRTF_B                      = 0xA3D
+	SYS___CSQRTF_H                      = 0xA3E
+	SYS___CSQRTL_B                      = 0xA40
+	SYS___CSQRTL_H                      = 0xA41
+	SYS___CSQRT_B                       = 0xA3A
+	SYS___CSQRT_H                       = 0xA3B
+	SYS___CTANF_B                       = 0xA46
+	SYS___CTANF_H                       = 0xA47
+	SYS___CTANHF_B                      = 0xA4F
+	SYS___CTANHF_H                      = 0xA50
+	SYS___CTANHL_B                      = 0xA52
+	SYS___CTANHL_H                      = 0xA53
+	SYS___CTANH_B                       = 0xA4C
+	SYS___CTANH_H                       = 0xA4D
+	SYS___CTANL_B                       = 0xA49
+	SYS___CTANL_H                       = 0xA4A
+	SYS___CTAN_B                        = 0xA43
+	SYS___CTAN_H                        = 0xA44
+	SYS___CTEST                         = 0x0C7
+	SYS___CTRACE                        = 0x0C6
+	SYS___D1TOP                         = 0xC9B
+	SYS___D2TOP                         = 0xC9C
+	SYS___D4TOP                         = 0xC9D
+	SYS___DYNALL                        = 0x0C3
+	SYS___DYNFRE                        = 0x0C2
+	SYS___EXP2F_H                       = 0xA5E
+	SYS___EXP2L_H                       = 0xA5F
+	SYS___EXP2_H                        = 0xA5D
+	SYS___EXPM1F_H                      = 0xA5B
+	SYS___EXPM1L_H                      = 0xA5C
+	SYS___FBUFSIZE                      = 0xD60
+	SYS___FLBF                          = 0xD62
+	SYS___FLDATA                        = 0x0C1
+	SYS___FMAF_B                        = 0xA67
+	SYS___FMAF_H                        = 0xA68
+	SYS___FMAL_B                        = 0xA6A
+	SYS___FMAL_H                        = 0xA6B
+	SYS___FMAXF_B                       = 0xA70
+	SYS___FMAXF_H                       = 0xA71
+	SYS___FMAXL_B                       = 0xA73
+	SYS___FMAXL_H                       = 0xA74
+	SYS___FMAX_B                        = 0xA6D
+	SYS___FMAX_H                        = 0xA6E
+	SYS___FMA_B                         = 0xA64
+	SYS___FMA_H                         = 0xA65
+	SYS___FMINF_B                       = 0xA79
+	SYS___FMINF_H                       = 0xA7A
+	SYS___FMINL_B                       = 0xA7C
+	SYS___FMINL_H                       = 0xA7D
+	SYS___FMIN_B                        = 0xA76
+	SYS___FMIN_H                        = 0xA77
+	SYS___FPENDING                      = 0xD61
+	SYS___FPENDING_UNLOCKED             = 0xD6C
+	SYS___FPURGE                        = 0xD69
+	SYS___FPURGE_UNLOCKED               = 0xD70
+	SYS___FP_CAST_D                     = 0xBCB
+	SYS___FREADABLE                     = 0xD63
+	SYS___FREADAHEAD                    = 0xD6A
+	SYS___FREADAHEAD_UNLOCKED           = 0xD71
+	SYS___FREADING                      = 0xD65
+	SYS___FREADING_UNLOCKED             = 0xD6D
+	SYS___FSEEK2                        = 0xB3C
+	SYS___FSETERR                       = 0xD6B
+	SYS___FSETLOCKING                   = 0xD67
+	SYS___FTCHEP                        = 0x0BF
+	SYS___FTELL2                        = 0xB3B
+	SYS___FUPDT                         = 0x0B5
+	SYS___FWRITABLE                     = 0xD64
+	SYS___FWRITING                      = 0xD66
+	SYS___FWRITING_UNLOCKED             = 0xD6E
+	SYS___GETCB                         = 0x0B4
+	SYS___GETGRGID1                     = 0xD5B
+	SYS___GETGRNAM1                     = 0xD5C
+	SYS___GETTHENT                      = 0xCE5
+	SYS___GETTOD                        = 0xD3E
+	SYS___HYPOTF_H                      = 0xAF6
+	SYS___HYPOTL_H                      = 0xAF7
+	SYS___ILOGBF_B                      = 0xA7F
+	SYS___ILOGBF_H                      = 0xA80
+	SYS___ILOGBL_B                      = 0xA82
+	SYS___ILOGBL_H                      = 0xA83
+	SYS___ISBLANK_A                     = 0xB2E
+	SYS___ISBLNK                        = 0x0FE
+	SYS___ISWBLANK_A                    = 0xB2F
+	SYS___LE_CEEGTJS                    = 0xD72
+	SYS___LE_TRACEBACK                  = 0xB7A
+	SYS___LGAMMAL_H                     = 0xA62
+	SYS___LGAMMA_B_C99                  = 0xB39
+	SYS___LGAMMA_H_C99                  = 0xB38
+	SYS___LGAMMA_R_C99                  = 0xB3A
+	SYS___LLRINTF_B                     = 0xA88
+	SYS___LLRINTF_H                     = 0xA89
+	SYS___LLRINTL_B                     = 0xA8B
+	SYS___LLRINTL_H                     = 0xA8C
+	SYS___LLRINT_B                      = 0xA85
+	SYS___LLRINT_H                      = 0xA86
+	SYS___LLROUNDF_B                    = 0xA91
+	SYS___LLROUNDF_H                    = 0xA92
+	SYS___LLROUNDL_B                    = 0xA94
+	SYS___LLROUNDL_H                    = 0xA95
+	SYS___LLROUND_B                     = 0xA8E
+	SYS___LLROUND_H                     = 0xA8F
+	SYS___LOCALE_CTL                    = 0xD47
+	SYS___LOG1PF_H                      = 0xA60
+	SYS___LOG1PL_H                      = 0xA61
+	SYS___LOGBF_B                       = 0xA97
+	SYS___LOGBF_H                       = 0xA98
+	SYS___LOGBL_B                       = 0xA9A
+	SYS___LOGBL_H                       = 0xA9B
+	SYS___LOGIN_APPLID                  = 0xCE2
+	SYS___LRINTF_B                      = 0xAA0
+	SYS___LRINTF_H                      = 0xAA1
+	SYS___LRINTL_B                      = 0xAA3
+	SYS___LRINTL_H                      = 0xAA4
+	SYS___LRINT_B                       = 0xA9D
+	SYS___LRINT_H                       = 0xA9E
+	SYS___LROUNDF_FIXUP                 = 0xB31
+	SYS___LROUNDL_B                     = 0xAA6
+	SYS___LROUNDL_H                     = 0xAA7
+	SYS___LROUND_FIXUP                  = 0xB30
+	SYS___MOSERVICES                    = 0xD3D
+	SYS___MUST_STAY_CLEAN               = 0xB7C
+	SYS___NANF_B                        = 0xAAB
+	SYS___NANL_B                        = 0xAAD
+	SYS___NAN_B                         = 0xAA9
+	SYS___NEARBYINTF_B                  = 0xAB2
+	SYS___NEARBYINTF_H                  = 0xAB3
+	SYS___NEARBYINTL_B                  = 0xAB5
+	SYS___NEARBYINTL_H                  = 0xAB6
+	SYS___NEARBYINT_B                   = 0xAAF
+	SYS___NEARBYINT_H                   = 0xAB0
+	SYS___NEXTAFTERF_B                  = 0xAB8
+	SYS___NEXTAFTERF_H                  = 0xAB9
+	SYS___NEXTAFTERL_B                  = 0xABB
+	SYS___NEXTAFTERL_H                  = 0xABC
+	SYS___NEXTTOWARDF_B                 = 0xAC1
+	SYS___NEXTTOWARDF_H                 = 0xAC2
+	SYS___NEXTTOWARDL_B                 = 0xAC4
+	SYS___NEXTTOWARDL_H                 = 0xAC5
+	SYS___NEXTTOWARD_B                  = 0xABE
+	SYS___NEXTTOWARD_H                  = 0xABF
+	SYS___O_ENV                         = 0xB7D
+	SYS___PASSWD_APPLID                 = 0xCE3
+	SYS___PTOD1                         = 0xC9E
+	SYS___PTOD2                         = 0xC9F
+	SYS___PTOD4                         = 0xCA0
+	SYS___REGCOMP_STD                   = 0x0EA
+	SYS___REMAINDERF_H                  = 0xAC6
+	SYS___REMAINDERL_H                  = 0xAC7
+	SYS___REMQUOD128                    = 0xC10
+	SYS___REMQUOD32                     = 0xC0E
+	SYS___REMQUOD64                     = 0xC0F
+	SYS___REMQUOF_H                     = 0xAC9
+	SYS___REMQUOL_H                     = 0xACA
+	SYS___REMQUO_H                      = 0xAC8
+	SYS___RINTF_B                       = 0xACC
+	SYS___RINTL_B                       = 0xACE
+	SYS___ROUNDF_B                      = 0xAD3
+	SYS___ROUNDF_H                      = 0xAD4
+	SYS___ROUNDL_B                      = 0xAD6
+	SYS___ROUNDL_H                      = 0xAD7
+	SYS___ROUND_B                       = 0xAD0
+	SYS___ROUND_H                       = 0xAD1
+	SYS___SCALBLNF_B                    = 0xADC
+	SYS___SCALBLNF_H                    = 0xADD
+	SYS___SCALBLNL_B                    = 0xADF
+	SYS___SCALBLNL_H                    = 0xAE0
+	SYS___SCALBLN_B                     = 0xAD9
+	SYS___SCALBLN_H                     = 0xADA
+	SYS___SCALBNF_B                     = 0xAE4
+	SYS___SCALBNF_H                     = 0xAE5
+	SYS___SCALBNL_B                     = 0xAE7
+	SYS___SCALBNL_H                     = 0xAE8
+	SYS___SCALBN_B                      = 0xAE1
+	SYS___SCALBN_H                      = 0xAE2
+	SYS___SETENV                        = 0x0C8
+	SYS___SINPID128                     = 0xC73
+	SYS___SINPID32                      = 0xC71
+	SYS___SINPID64                      = 0xC72
+	SYS___SMF_RECORD2                   = 0xD48
+	SYS___STATIC_REINIT                 = 0xB3D
+	SYS___TGAMMAF_H_C99                 = 0xB79
+	SYS___TGAMMAL_H                     = 0xAE9
+	SYS___TGAMMA_H_C99                  = 0xB78
+	SYS___TOCSNAME2                     = 0xC9A
+	SYS_CEIL                            = 0x01F
+	SYS_CHAUDIT                         = 0x1E0
+	SYS_EXP                             = 0x01A
+	SYS_FCHAUDIT                        = 0x1E1
+	SYS_FREXP                           = 0x01D
+	SYS_GETGROUPSBYNAME                 = 0x1E2
+	SYS_GETPWUID                        = 0x1A0
+	SYS_GETUID                          = 0x1A1
+	SYS_ISATTY                          = 0x1A3
+	SYS_KILL                            = 0x1A4
+	SYS_LDEXP                           = 0x01E
+	SYS_LINK                            = 0x1A5
+	SYS_LOG10                           = 0x01C
+	SYS_LSEEK                           = 0x1A6
+	SYS_LSTAT                           = 0x1A7
+	SYS_MKDIR                           = 0x1A8
+	SYS_MKFIFO                          = 0x1A9
+	SYS_MKNOD                           = 0x1AA
+	SYS_MODF                            = 0x01B
+	SYS_MOUNT                           = 0x1AB
+	SYS_OPEN                            = 0x1AC
+	SYS_OPENDIR                         = 0x1AD
+	SYS_PATHCONF                        = 0x1AE
+	SYS_PAUSE                           = 0x1AF
+	SYS_PIPE                            = 0x1B0
+	SYS_PTHREAD_ATTR_DESTROY            = 0x1E7
+	SYS_PTHREAD_ATTR_GETDETACHSTATE     = 0x1EB
+	SYS_PTHREAD_ATTR_GETSTACKSIZE       = 0x1E9
+	SYS_PTHREAD_ATTR_GETWEIGHT_NP       = 0x1ED
+	SYS_PTHREAD_ATTR_INIT               = 0x1E6
+	SYS_PTHREAD_ATTR_SETDETACHSTATE     = 0x1EA
+	SYS_PTHREAD_ATTR_SETSTACKSIZE       = 0x1E8
+	SYS_PTHREAD_ATTR_SETWEIGHT_NP       = 0x1EC
+	SYS_PTHREAD_CANCEL                  = 0x1EE
+	SYS_PTHREAD_CLEANUP_POP             = 0x1F0
+	SYS_PTHREAD_CLEANUP_PUSH            = 0x1EF
+	SYS_PTHREAD_CONDATTR_DESTROY        = 0x1F2
+	SYS_PTHREAD_CONDATTR_INIT           = 0x1F1
+	SYS_PTHREAD_COND_BROADCAST          = 0x1F6
+	SYS_PTHREAD_COND_DESTROY            = 0x1F4
+	SYS_PTHREAD_COND_INIT               = 0x1F3
+	SYS_PTHREAD_COND_SIGNAL             = 0x1F5
+	SYS_PTHREAD_COND_TIMEDWAIT          = 0x1F8
+	SYS_PTHREAD_COND_WAIT               = 0x1F7
+	SYS_PTHREAD_CREATE                  = 0x1F9
+	SYS_PTHREAD_DETACH                  = 0x1FA
+	SYS_PTHREAD_EQUAL                   = 0x1FB
+	SYS_PTHREAD_EXIT                    = 0x1E4
+	SYS_PTHREAD_GETSPECIFIC             = 0x1FC
+	SYS_PTHREAD_JOIN                    = 0x1FD
+	SYS_PTHREAD_KEY_CREATE              = 0x1FE
+	SYS_PTHREAD_KILL                    = 0x1E5
+	SYS_PTHREAD_MUTEXATTR_INIT          = 0x1FF
+	SYS_READ                            = 0x1B2
+	SYS_READDIR                         = 0x1B3
+	SYS_READLINK                        = 0x1B4
+	SYS_REWINDDIR                       = 0x1B5
+	SYS_RMDIR                           = 0x1B6
+	SYS_SETEGID                         = 0x1B7
+	SYS_SETEUID                         = 0x1B8
+	SYS_SETGID                          = 0x1B9
+	SYS_SETPGID                         = 0x1BA
+	SYS_SETSID                          = 0x1BB
+	SYS_SETUID                          = 0x1BC
+	SYS_SIGACTION                       = 0x1BD
+	SYS_SIGADDSET                       = 0x1BE
+	SYS_SIGDELSET                       = 0x1BF
+	SYS_SIGEMPTYSET                     = 0x1C0
+	SYS_SIGFILLSET                      = 0x1C1
+	SYS_SIGISMEMBER                     = 0x1C2
+	SYS_SIGLONGJMP                      = 0x1C3
+	SYS_SIGPENDING                      = 0x1C4
+	SYS_SIGPROCMASK                     = 0x1C5
+	SYS_SIGSETJMP                       = 0x1C6
+	SYS_SIGSUSPEND                      = 0x1C7
+	SYS_SIGWAIT                         = 0x1E3
+	SYS_SLEEP                           = 0x1C8
+	SYS_STAT                            = 0x1C9
+	SYS_SYMLINK                         = 0x1CB
+	SYS_SYSCONF                         = 0x1CC
+	SYS_TCDRAIN                         = 0x1CD
+	SYS_TCFLOW                          = 0x1CE
+	SYS_TCFLUSH                         = 0x1CF
+	SYS_TCGETATTR                       = 0x1D0
+	SYS_TCGETPGRP                       = 0x1D1
+	SYS_TCSENDBREAK                     = 0x1D2
+	SYS_TCSETATTR                       = 0x1D3
+	SYS_TCSETPGRP                       = 0x1D4
+	SYS_TIMES                           = 0x1D5
+	SYS_TTYNAME                         = 0x1D6
+	SYS_TZSET                           = 0x1D7
+	SYS_UMASK                           = 0x1D8
+	SYS_UMOUNT                          = 0x1D9
+	SYS_UNAME                           = 0x1DA
+	SYS_UNLINK                          = 0x1DB
+	SYS_UTIME                           = 0x1DC
+	SYS_WAIT                            = 0x1DD
+	SYS_WAITPID                         = 0x1DE
+	SYS_WRITE                           = 0x1DF
+	SYS_W_GETPSENT                      = 0x1B1
+	SYS_W_IOCTL                         = 0x1A2
+	SYS_W_STATFS                        = 0x1CA
+	SYS_A64L                            = 0x2EF
+	SYS_BCMP                            = 0x2B9
+	SYS_BCOPY                           = 0x2BA
+	SYS_BZERO                           = 0x2BB
+	SYS_CATCLOSE                        = 0x2B6
+	SYS_CATGETS                         = 0x2B7
+	SYS_CATOPEN                         = 0x2B8
+	SYS_CRYPT                           = 0x2AC
+	SYS_DBM_CLEARERR                    = 0x2F7
+	SYS_DBM_CLOSE                       = 0x2F8
+	SYS_DBM_DELETE                      = 0x2F9
+	SYS_DBM_ERROR                       = 0x2FA
+	SYS_DBM_FETCH                       = 0x2FB
+	SYS_DBM_FIRSTKEY                    = 0x2FC
+	SYS_DBM_NEXTKEY                     = 0x2FD
+	SYS_DBM_OPEN                        = 0x2FE
+	SYS_DBM_STORE                       = 0x2FF
+	SYS_DRAND48                         = 0x2B2
+	SYS_ENCRYPT                         = 0x2AD
+	SYS_ENDUTXENT                       = 0x2E1
+	SYS_ERAND48                         = 0x2B3
+	SYS_ERF                             = 0x02C
+	SYS_ERFC                            = 0x02D
+	SYS_FCHDIR                          = 0x2D9
+	SYS_FFS                             = 0x2BC
+	SYS_FMTMSG                          = 0x2E5
+	SYS_FSTATVFS                        = 0x2B4
+	SYS_FTIME                           = 0x2F5
+	SYS_GAMMA                           = 0x02E
+	SYS_GETDATE                         = 0x2A6
+	SYS_GETPAGESIZE                     = 0x2D8
+	SYS_GETTIMEOFDAY                    = 0x2F6
+	SYS_GETUTXENT                       = 0x2E0
+	SYS_GETUTXID                        = 0x2E2
+	SYS_GETUTXLINE                      = 0x2E3
+	SYS_HCREATE                         = 0x2C6
+	SYS_HDESTROY                        = 0x2C7
+	SYS_HSEARCH                         = 0x2C8
+	SYS_HYPOT                           = 0x02B
+	SYS_INDEX                           = 0x2BD
+	SYS_INITSTATE                       = 0x2C2
+	SYS_INSQUE                          = 0x2CF
+	SYS_ISASCII                         = 0x2ED
+	SYS_JRAND48                         = 0x2E6
+	SYS_L64A                            = 0x2F0
+	SYS_LCONG48                         = 0x2EA
+	SYS_LFIND                           = 0x2C9
+	SYS_LRAND48                         = 0x2E7
+	SYS_LSEARCH                         = 0x2CA
+	SYS_MEMCCPY                         = 0x2D4
+	SYS_MRAND48                         = 0x2E8
+	SYS_NRAND48                         = 0x2E9
+	SYS_PCLOSE                          = 0x2D2
+	SYS_POPEN                           = 0x2D1
+	SYS_PUTUTXLINE                      = 0x2E4
+	SYS_RANDOM                          = 0x2C4
+	SYS_REMQUE                          = 0x2D0
+	SYS_RINDEX                          = 0x2BE
+	SYS_SEED48                          = 0x2EC
+	SYS_SETKEY                          = 0x2AE
+	SYS_SETSTATE                        = 0x2C3
+	SYS_SETUTXENT                       = 0x2DF
+	SYS_SRAND48                         = 0x2EB
+	SYS_SRANDOM                         = 0x2C5
+	SYS_STATVFS                         = 0x2B5
+	SYS_STRCASECMP                      = 0x2BF
+	SYS_STRDUP                          = 0x2C0
+	SYS_STRNCASECMP                     = 0x2C1
+	SYS_SWAB                            = 0x2D3
+	SYS_TDELETE                         = 0x2CB
+	SYS_TFIND                           = 0x2CC
+	SYS_TOASCII                         = 0x2EE
+	SYS_TSEARCH                         = 0x2CD
+	SYS_TWALK                           = 0x2CE
+	SYS_UALARM                          = 0x2F1
+	SYS_USLEEP                          = 0x2F2
+	SYS_WAIT3                           = 0x2A7
+	SYS_WAITID                          = 0x2A8
+	SYS_Y1                              = 0x02A
+	SYS___ATOE                          = 0x2DB
+	SYS___ATOE_L                        = 0x2DC
+	SYS___CATTRM                        = 0x2A9
+	SYS___CNVBLK                        = 0x2AF
+	SYS___CRYTRM                        = 0x2B0
+	SYS___DLGHT                         = 0x2A1
+	SYS___ECRTRM                        = 0x2B1
+	SYS___ETOA                          = 0x2DD
+	SYS___ETOA_L                        = 0x2DE
+	SYS___GDTRM                         = 0x2AA
+	SYS___OCLCK                         = 0x2DA
+	SYS___OPARGF                        = 0x2A2
+	SYS___OPERRF                        = 0x2A5
+	SYS___OPINDF                        = 0x2A4
+	SYS___OPOPTF                        = 0x2A3
+	SYS___RNDTRM                        = 0x2AB
+	SYS___SRCTRM                        = 0x2F4
+	SYS___TZONE                         = 0x2A0
+	SYS___UTXTRM                        = 0x2F3
+	SYS_ASIN                            = 0x03E
+	SYS_ISXDIGIT                        = 0x03B
+	SYS_SETLOCAL                        = 0x03A
+	SYS_SETLOCALE                       = 0x03A
+	SYS_SIN                             = 0x03F
+	SYS_TOLOWER                         = 0x03C
+	SYS_TOUPPER                         = 0x03D
+	SYS_ACCEPT_AND_RECV                 = 0x4F7
+	SYS_ATOL                            = 0x04E
+	SYS_CHECKSCH                        = 0x4BC
+	SYS_CHECKSCHENV                     = 0x4BC
+	SYS_CLEARERR                        = 0x04C
+	SYS_CONNECTS                        = 0x4B5
+	SYS_CONNECTSERVER                   = 0x4B5
+	SYS_CONNECTW                        = 0x4B4
+	SYS_CONNECTWORKMGR                  = 0x4B4
+	SYS_CONTINUE                        = 0x4B3
+	SYS_CONTINUEWORKUNIT                = 0x4B3
+	SYS_COPYSIGN                        = 0x4C2
+	SYS_CREATEWO                        = 0x4B2
+	SYS_CREATEWORKUNIT                  = 0x4B2
+	SYS_DELETEWO                        = 0x4B9
+	SYS_DELETEWORKUNIT                  = 0x4B9
+	SYS_DISCONNE                        = 0x4B6
+	SYS_DISCONNECTSERVER                = 0x4B6
+	SYS_FEOF                            = 0x04D
+	SYS_FERROR                          = 0x04A
+	SYS_FINITE                          = 0x4C8
+	SYS_GAMMA_R                         = 0x4E2
+	SYS_JOINWORK                        = 0x4B7
+	SYS_JOINWORKUNIT                    = 0x4B7
+	SYS_LEAVEWOR                        = 0x4B8
+	SYS_LEAVEWORKUNIT                   = 0x4B8
+	SYS_LGAMMA_R                        = 0x4EB
+	SYS_MATHERR                         = 0x4D0
+	SYS_PERROR                          = 0x04F
+	SYS_QUERYMET                        = 0x4BA
+	SYS_QUERYMETRICS                    = 0x4BA
+	SYS_QUERYSCH                        = 0x4BB
+	SYS_QUERYSCHENV                     = 0x4BB
+	SYS_REWIND                          = 0x04B
+	SYS_SCALBN                          = 0x4D4
+	SYS_SIGNIFIC                        = 0x4D5
+	SYS_SIGNIFICAND                     = 0x4D5
+	SYS___ACOSH_B                       = 0x4DA
+	SYS___ACOS_B                        = 0x4D9
+	SYS___ASINH_B                       = 0x4BE
+	SYS___ASIN_B                        = 0x4DB
+	SYS___ATAN2_B                       = 0x4DC
+	SYS___ATANH_B                       = 0x4DD
+	SYS___ATAN_B                        = 0x4BF
+	SYS___CBRT_B                        = 0x4C0
+	SYS___CEIL_B                        = 0x4C1
+	SYS___COSH_B                        = 0x4DE
+	SYS___COS_B                         = 0x4C3
+	SYS___DGHT                          = 0x4A8
+	SYS___ENVN                          = 0x4B0
+	SYS___ERFC_B                        = 0x4C5
+	SYS___ERF_B                         = 0x4C4
+	SYS___EXPM1_B                       = 0x4C6
+	SYS___EXP_B                         = 0x4DF
+	SYS___FABS_B                        = 0x4C7
+	SYS___FLOOR_B                       = 0x4C9
+	SYS___FMOD_B                        = 0x4E0
+	SYS___FP_SETMODE                    = 0x4F8
+	SYS___FREXP_B                       = 0x4CA
+	SYS___GAMMA_B                       = 0x4E1
+	SYS___GDRR                          = 0x4A1
+	SYS___HRRNO                         = 0x4A2
+	SYS___HYPOT_B                       = 0x4E3
+	SYS___ILOGB_B                       = 0x4CB
+	SYS___ISNAN_B                       = 0x4CC
+	SYS___J0_B                          = 0x4E4
+	SYS___J1_B                          = 0x4E6
+	SYS___JN_B                          = 0x4E8
+	SYS___LDEXP_B                       = 0x4CD
+	SYS___LGAMMA_B                      = 0x4EA
+	SYS___LOG10_B                       = 0x4ED
+	SYS___LOG1P_B                       = 0x4CE
+	SYS___LOGB_B                        = 0x4CF
+	SYS___LOGIN                         = 0x4F5
+	SYS___LOG_B                         = 0x4EC
+	SYS___MLOCKALL                      = 0x4B1
+	SYS___MODF_B                        = 0x4D1
+	SYS___NEXTAFTER_B                   = 0x4D2
+	SYS___OPENDIR2                      = 0x4F3
+	SYS___OPEN_STAT                     = 0x4F6
+	SYS___OPND                          = 0x4A5
+	SYS___OPPT                          = 0x4A6
+	SYS___OPRG                          = 0x4A3
+	SYS___OPRR                          = 0x4A4
+	SYS___PID_AFFINITY                  = 0x4BD
+	SYS___POW_B                         = 0x4EE
+	SYS___READDIR2                      = 0x4F4
+	SYS___REMAINDER_B                   = 0x4EF
+	SYS___RINT_B                        = 0x4D3
+	SYS___SCALB_B                       = 0x4F0
+	SYS___SIGACTIONSET                  = 0x4FB
+	SYS___SIGGM                         = 0x4A7
+	SYS___SINH_B                        = 0x4F1
+	SYS___SIN_B                         = 0x4D6
+	SYS___SQRT_B                        = 0x4F2
+	SYS___TANH_B                        = 0x4D8
+	SYS___TAN_B                         = 0x4D7
+	SYS___TRRNO                         = 0x4AF
+	SYS___TZNE                          = 0x4A9
+	SYS___TZZN                          = 0x4AA
+	SYS___UCREATE                       = 0x4FC
+	SYS___UFREE                         = 0x4FE
+	SYS___UHEAPREPORT                   = 0x4FF
+	SYS___UMALLOC                       = 0x4FD
+	SYS___Y0_B                          = 0x4E5
+	SYS___Y1_B                          = 0x4E7
+	SYS___YN_B                          = 0x4E9
+	SYS_ABORT                           = 0x05C
+	SYS_ASCTIME_R                       = 0x5E0
+	SYS_ATEXIT                          = 0x05D
+	SYS_CONNECTE                        = 0x5AE
+	SYS_CONNECTEXPORTIMPORT             = 0x5AE
+	SYS_CTIME_R                         = 0x5E1
+	SYS_DN_COMP                         = 0x5DF
+	SYS_DN_EXPAND                       = 0x5DD
+	SYS_DN_SKIPNAME                     = 0x5DE
+	SYS_EXIT                            = 0x05A
+	SYS_EXPORTWO                        = 0x5A1
+	SYS_EXPORTWORKUNIT                  = 0x5A1
+	SYS_EXTRACTW                        = 0x5A5
+	SYS_EXTRACTWORKUNIT                 = 0x5A5
+	SYS_FSEEKO                          = 0x5C9
+	SYS_FTELLO                          = 0x5C8
+	SYS_GETGRGID_R                      = 0x5E7
+	SYS_GETGRNAM_R                      = 0x5E8
+	SYS_GETLOGIN_R                      = 0x5E9
+	SYS_GETPWNAM_R                      = 0x5EA
+	SYS_GETPWUID_R                      = 0x5EB
+	SYS_GMTIME_R                        = 0x5E2
+	SYS_IMPORTWO                        = 0x5A3
+	SYS_IMPORTWORKUNIT                  = 0x5A3
+	SYS_INET_NTOP                       = 0x5D3
+	SYS_INET_PTON                       = 0x5D4
+	SYS_LLABS                           = 0x5CE
+	SYS_LLDIV                           = 0x5CB
+	SYS_LOCALTIME_R                     = 0x5E3
+	SYS_PTHREAD_ATFORK                  = 0x5ED
+	SYS_PTHREAD_ATTR_GETDETACHSTATE_U98 = 0x5FB
+	SYS_PTHREAD_ATTR_GETGUARDSIZE       = 0x5EE
+	SYS_PTHREAD_ATTR_GETSCHEDPARAM      = 0x5F9
+	SYS_PTHREAD_ATTR_GETSTACKADDR       = 0x5EF
+	SYS_PTHREAD_ATTR_SETDETACHSTATE_U98 = 0x5FC
+	SYS_PTHREAD_ATTR_SETGUARDSIZE       = 0x5F0
+	SYS_PTHREAD_ATTR_SETSCHEDPARAM      = 0x5FA
+	SYS_PTHREAD_ATTR_SETSTACKADDR       = 0x5F1
+	SYS_PTHREAD_CONDATTR_GETPSHARED     = 0x5F2
+	SYS_PTHREAD_CONDATTR_SETPSHARED     = 0x5F3
+	SYS_PTHREAD_DETACH_U98              = 0x5FD
+	SYS_PTHREAD_GETCONCURRENCY          = 0x5F4
+	SYS_PTHREAD_GETSPECIFIC_U98         = 0x5FE
+	SYS_PTHREAD_KEY_DELETE              = 0x5F5
+	SYS_PTHREAD_SETCANCELSTATE          = 0x5FF
+	SYS_PTHREAD_SETCONCURRENCY          = 0x5F6
+	SYS_PTHREAD_SIGMASK                 = 0x5F7
+	SYS_QUERYENC                        = 0x5AD
+	SYS_QUERYWORKUNITCLASSIFICATION     = 0x5AD
+	SYS_RAISE                           = 0x05E
+	SYS_RAND_R                          = 0x5E4
+	SYS_READDIR_R                       = 0x5E6
+	SYS_REALLOC                         = 0x05B
+	SYS_RES_INIT                        = 0x5D8
+	SYS_RES_MKQUERY                     = 0x5D7
+	SYS_RES_QUERY                       = 0x5D9
+	SYS_RES_QUERYDOMAIN                 = 0x5DC
+	SYS_RES_SEARCH                      = 0x5DA
+	SYS_RES_SEND                        = 0x5DB
+	SYS_SETJMP                          = 0x05F
+	SYS_SIGQUEUE                        = 0x5A9
+	SYS_STRTOK_R                        = 0x5E5
+	SYS_STRTOLL                         = 0x5B0
+	SYS_STRTOULL                        = 0x5B1
+	SYS_TTYNAME_R                       = 0x5EC
+	SYS_UNDOEXPO                        = 0x5A2
+	SYS_UNDOEXPORTWORKUNIT              = 0x5A2
+	SYS_UNDOIMPO                        = 0x5A4
+	SYS_UNDOIMPORTWORKUNIT              = 0x5A4
+	SYS_WCSTOLL                         = 0x5CC
+	SYS_WCSTOULL                        = 0x5CD
+	SYS___ABORT                         = 0x05C
+	SYS___CONSOLE2                      = 0x5D2
+	SYS___CPL                           = 0x5A6
+	SYS___DISCARDDATA                   = 0x5F8
+	SYS___DSA_PREV                      = 0x5B2
+	SYS___EP_FIND                       = 0x5B3
+	SYS___FP_SWAPMODE                   = 0x5AF
+	SYS___GETUSERID                     = 0x5AB
+	SYS___GET_CPUID                     = 0x5B9
+	SYS___GET_SYSTEM_SETTINGS           = 0x5BA
+	SYS___IPDOMAINNAME                  = 0x5AC
+	SYS___MAP_INIT                      = 0x5A7
+	SYS___MAP_SERVICE                   = 0x5A8
+	SYS___MOUNT                         = 0x5AA
+	SYS___MSGRCV_TIMED                  = 0x5B7
+	SYS___RES                           = 0x5D6
+	SYS___SEMOP_TIMED                   = 0x5B8
+	SYS___SERVER_THREADS_QUERY          = 0x5B4
+	SYS_FPRINTF                         = 0x06D
+	SYS_FSCANF                          = 0x06A
+	SYS_PRINTF                          = 0x06F
+	SYS_SETBUF                          = 0x06B
+	SYS_SETVBUF                         = 0x06C
+	SYS_SSCANF                          = 0x06E
+	SYS___CATGETS_A                     = 0x6C0
+	SYS___CHAUDIT_A                     = 0x6F4
+	SYS___CHMOD_A                       = 0x6E8
+	SYS___COLLATE_INIT_A                = 0x6AC
+	SYS___CREAT_A                       = 0x6F6
+	SYS___CTYPE_INIT_A                  = 0x6AF
+	SYS___DLLLOAD_A                     = 0x6DF
+	SYS___DLLQUERYFN_A                  = 0x6E0
+	SYS___DLLQUERYVAR_A                 = 0x6E1
+	SYS___E2A_L                         = 0x6E3
+	SYS___EXECLE_A                      = 0x6A0
+	SYS___EXECLP_A                      = 0x6A4
+	SYS___EXECVE_A                      = 0x6C1
+	SYS___EXECVP_A                      = 0x6C2
+	SYS___EXECV_A                       = 0x6B1
+	SYS___FPRINTF_A                     = 0x6FA
+	SYS___GETADDRINFO_A                 = 0x6BF
+	SYS___GETNAMEINFO_A                 = 0x6C4
+	SYS___GET_WCTYPE_STD_A              = 0x6AE
+	SYS___ICONV_OPEN_A                  = 0x6DE
+	SYS___IF_INDEXTONAME_A              = 0x6DC
+	SYS___IF_NAMETOINDEX_A              = 0x6DB
+	SYS___ISWCTYPE_A                    = 0x6B0
+	SYS___IS_WCTYPE_STD_A               = 0x6B2
+	SYS___LOCALECONV_A                  = 0x6B8
+	SYS___LOCALECONV_STD_A              = 0x6B9
+	SYS___LOCALE_INIT_A                 = 0x6B7
+	SYS___LSTAT_A                       = 0x6EE
+	SYS___LSTAT_O_A                     = 0x6EF
+	SYS___MKDIR_A                       = 0x6E9
+	SYS___MKFIFO_A                      = 0x6EC
+	SYS___MKNOD_A                       = 0x6F0
+	SYS___MONETARY_INIT_A               = 0x6BC
+	SYS___MOUNT_A                       = 0x6F1
+	SYS___NL_CSINFO_A                   = 0x6D6
+	SYS___NL_LANGINFO_A                 = 0x6BA
+	SYS___NL_LNAGINFO_STD_A             = 0x6BB
+	SYS___NL_MONINFO_A                  = 0x6D7
+	SYS___NL_NUMINFO_A                  = 0x6D8
+	SYS___NL_RESPINFO_A                 = 0x6D9
+	SYS___NL_TIMINFO_A                  = 0x6DA
+	SYS___NUMERIC_INIT_A                = 0x6C6
+	SYS___OPEN_A                        = 0x6F7
+	SYS___PRINTF_A                      = 0x6DD
+	SYS___RESP_INIT_A                   = 0x6C7
+	SYS___RPMATCH_A                     = 0x6C8
+	SYS___RPMATCH_C_A                   = 0x6C9
+	SYS___RPMATCH_STD_A                 = 0x6CA
+	SYS___SETLOCALE_A                   = 0x6F9
+	SYS___SPAWNP_A                      = 0x6C5
+	SYS___SPAWN_A                       = 0x6C3
+	SYS___SPRINTF_A                     = 0x6FB
+	SYS___STAT_A                        = 0x6EA
+	SYS___STAT_O_A                      = 0x6EB
+	SYS___STRCOLL_STD_A                 = 0x6A1
+	SYS___STRFMON_A                     = 0x6BD
+	SYS___STRFMON_STD_A                 = 0x6BE
+	SYS___STRFTIME_A                    = 0x6CC
+	SYS___STRFTIME_STD_A                = 0x6CD
+	SYS___STRPTIME_A                    = 0x6CE
+	SYS___STRPTIME_STD_A                = 0x6CF
+	SYS___STRXFRM_A                     = 0x6A2
+	SYS___STRXFRM_C_A                   = 0x6A3
+	SYS___STRXFRM_STD_A                 = 0x6A5
+	SYS___SYNTAX_INIT_A                 = 0x6D4
+	SYS___TIME_INIT_A                   = 0x6CB
+	SYS___TOD_INIT_A                    = 0x6D5
+	SYS___TOWLOWER_A                    = 0x6B3
+	SYS___TOWLOWER_STD_A                = 0x6B4
+	SYS___TOWUPPER_A                    = 0x6B5
+	SYS___TOWUPPER_STD_A                = 0x6B6
+	SYS___UMOUNT_A                      = 0x6F2
+	SYS___VFPRINTF_A                    = 0x6FC
+	SYS___VPRINTF_A                     = 0x6FD
+	SYS___VSPRINTF_A                    = 0x6FE
+	SYS___VSWPRINTF_A                   = 0x6FF
+	SYS___WCSCOLL_A                     = 0x6A6
+	SYS___WCSCOLL_C_A                   = 0x6A7
+	SYS___WCSCOLL_STD_A                 = 0x6A8
+	SYS___WCSFTIME_A                    = 0x6D0
+	SYS___WCSFTIME_STD_A                = 0x6D1
+	SYS___WCSXFRM_A                     = 0x6A9
+	SYS___WCSXFRM_C_A                   = 0x6AA
+	SYS___WCSXFRM_STD_A                 = 0x6AB
+	SYS___WCTYPE_A                      = 0x6AD
+	SYS___W_GETMNTENT_A                 = 0x6F5
+	SYS_____CCSIDTYPE_A                 = 0x6E6
+	SYS_____CHATTR_A                    = 0x6E2
+	SYS_____CSNAMETYPE_A                = 0x6E7
+	SYS_____OPEN_STAT_A                 = 0x6ED
+	SYS_____SPAWN2_A                    = 0x6D2
+	SYS_____SPAWNP2_A                   = 0x6D3
+	SYS_____TOCCSID_A                   = 0x6E4
+	SYS_____TOCSNAME_A                  = 0x6E5
+	SYS_ACL_FREE                        = 0x7FF
+	SYS_ACL_INIT                        = 0x7FE
+	SYS_FWIDE                           = 0x7DF
+	SYS_FWPRINTF                        = 0x7D1
+	SYS_FWRITE                          = 0x07E
+	SYS_FWSCANF                         = 0x7D5
+	SYS_GETCHAR                         = 0x07B
+	SYS_GETS                            = 0x07C
+	SYS_M_CREATE_LAYOUT                 = 0x7C9
+	SYS_M_DESTROY_LAYOUT                = 0x7CA
+	SYS_M_GETVALUES_LAYOUT              = 0x7CB
+	SYS_M_SETVALUES_LAYOUT              = 0x7CC
+	SYS_M_TRANSFORM_LAYOUT              = 0x7CD
+	SYS_M_WTRANSFORM_LAYOUT             = 0x7CE
+	SYS_PREAD                           = 0x7C7
+	SYS_PUTC                            = 0x07D
+	SYS_PUTCHAR                         = 0x07A
+	SYS_PUTS                            = 0x07F
+	SYS_PWRITE                          = 0x7C8
+	SYS_TOWCTRAN                        = 0x7D8
+	SYS_TOWCTRANS                       = 0x7D8
+	SYS_UNATEXIT                        = 0x7B5
+	SYS_VFWPRINT                        = 0x7D3
+	SYS_VFWPRINTF                       = 0x7D3
+	SYS_VWPRINTF                        = 0x7D4
+	SYS_WCTRANS                         = 0x7D7
+	SYS_WPRINTF                         = 0x7D2
+	SYS_WSCANF                          = 0x7D6
+	SYS___ASCTIME_R_A                   = 0x7A1
+	SYS___BASENAME_A                    = 0x7DC
+	SYS___BTOWC_A                       = 0x7E4
+	SYS___CDUMP_A                       = 0x7B7
+	SYS___CEE3DMP_A                     = 0x7B6
+	SYS___CEILF_H                       = 0x7F4
+	SYS___CEILL_H                       = 0x7F5
+	SYS___CEIL_H                        = 0x7EA
+	SYS___CRYPT_A                       = 0x7BE
+	SYS___CSNAP_A                       = 0x7B8
+	SYS___CTEST_A                       = 0x7B9
+	SYS___CTIME_R_A                     = 0x7A2
+	SYS___CTRACE_A                      = 0x7BA
+	SYS___DBM_OPEN_A                    = 0x7E6
+	SYS___DIRNAME_A                     = 0x7DD
+	SYS___FABSF_H                       = 0x7FA
+	SYS___FABSL_H                       = 0x7FB
+	SYS___FABS_H                        = 0x7ED
+	SYS___FGETWC_A                      = 0x7AA
+	SYS___FGETWS_A                      = 0x7AD
+	SYS___FLOORF_H                      = 0x7F6
+	SYS___FLOORL_H                      = 0x7F7
+	SYS___FLOOR_H                       = 0x7EB
+	SYS___FPUTWC_A                      = 0x7A5
+	SYS___FPUTWS_A                      = 0x7A8
+	SYS___GETTIMEOFDAY_A                = 0x7AE
+	SYS___GETWCHAR_A                    = 0x7AC
+	SYS___GETWC_A                       = 0x7AB
+	SYS___GLOB_A                        = 0x7DE
+	SYS___GMTIME_A                      = 0x7AF
+	SYS___GMTIME_R_A                    = 0x7B0
+	SYS___INET_PTON_A                   = 0x7BC
+	SYS___J0_H                          = 0x7EE
+	SYS___J1_H                          = 0x7EF
+	SYS___JN_H                          = 0x7F0
+	SYS___LOCALTIME_A                   = 0x7B1
+	SYS___LOCALTIME_R_A                 = 0x7B2
+	SYS___MALLOC24                      = 0x7FC
+	SYS___MALLOC31                      = 0x7FD
+	SYS___MKTIME_A                      = 0x7B3
+	SYS___MODFF_H                       = 0x7F8
+	SYS___MODFL_H                       = 0x7F9
+	SYS___MODF_H                        = 0x7EC
+	SYS___OPENDIR_A                     = 0x7C2
+	SYS___OSNAME                        = 0x7E0
+	SYS___PUTWCHAR_A                    = 0x7A7
+	SYS___PUTWC_A                       = 0x7A6
+	SYS___READDIR_A                     = 0x7C3
+	SYS___STRTOLL_A                     = 0x7A3
+	SYS___STRTOULL_A                    = 0x7A4
+	SYS___SYSLOG_A                      = 0x7BD
+	SYS___TZZNA                         = 0x7B4
+	SYS___UNGETWC_A                     = 0x7A9
+	SYS___UTIME_A                       = 0x7A0
+	SYS___VFPRINTF2_A                   = 0x7E7
+	SYS___VPRINTF2_A                    = 0x7E8
+	SYS___VSPRINTF2_A                   = 0x7E9
+	SYS___VSWPRNTF2_A                   = 0x7BB
+	SYS___WCSTOD_A                      = 0x7D9
+	SYS___WCSTOL_A                      = 0x7DA
+	SYS___WCSTOUL_A                     = 0x7DB
+	SYS___WCTOB_A                       = 0x7E5
+	SYS___Y0_H                          = 0x7F1
+	SYS___Y1_H                          = 0x7F2
+	SYS___YN_H                          = 0x7F3
+	SYS_____OPENDIR2_A                  = 0x7BF
+	SYS_____OSNAME_A                    = 0x7E1
+	SYS_____READDIR2_A                  = 0x7C0
+	SYS_DLCLOSE                         = 0x8DF
+	SYS_DLERROR                         = 0x8E0
+	SYS_DLOPEN                          = 0x8DD
+	SYS_DLSYM                           = 0x8DE
+	SYS_FLOCKFILE                       = 0x8D3
+	SYS_FTRYLOCKFILE                    = 0x8D4
+	SYS_FUNLOCKFILE                     = 0x8D5
+	SYS_GETCHAR_UNLOCKED                = 0x8D7
+	SYS_GETC_UNLOCKED                   = 0x8D6
+	SYS_PUTCHAR_UNLOCKED                = 0x8D9
+	SYS_PUTC_UNLOCKED                   = 0x8D8
+	SYS_SNPRINTF                        = 0x8DA
+	SYS_VSNPRINTF                       = 0x8DB
+	SYS_WCSCSPN                         = 0x08B
+	SYS_WCSLEN                          = 0x08C
+	SYS_WCSNCAT                         = 0x08D
+	SYS_WCSNCMP                         = 0x08A
+	SYS_WCSNCPY                         = 0x08F
+	SYS_WCSSPN                          = 0x08E
+	SYS___ABSF_H                        = 0x8E7
+	SYS___ABSL_H                        = 0x8E8
+	SYS___ABS_H                         = 0x8E6
+	SYS___ACOSF_H                       = 0x8EA
+	SYS___ACOSH_H                       = 0x8EC
+	SYS___ACOSL_H                       = 0x8EB
+	SYS___ACOS_H                        = 0x8E9
+	SYS___ASINF_H                       = 0x8EE
+	SYS___ASINH_H                       = 0x8F0
+	SYS___ASINL_H                       = 0x8EF
+	SYS___ASIN_H                        = 0x8ED
+	SYS___ATAN2F_H                      = 0x8F8
+	SYS___ATAN2L_H                      = 0x8F9
+	SYS___ATAN2_H                       = 0x8F7
+	SYS___ATANF_H                       = 0x8F2
+	SYS___ATANHF_H                      = 0x8F5
+	SYS___ATANHL_H                      = 0x8F6
+	SYS___ATANH_H                       = 0x8F4
+	SYS___ATANL_H                       = 0x8F3
+	SYS___ATAN_H                        = 0x8F1
+	SYS___CBRT_H                        = 0x8FA
+	SYS___COPYSIGNF_H                   = 0x8FB
+	SYS___COPYSIGNL_H                   = 0x8FC
+	SYS___COSF_H                        = 0x8FE
+	SYS___COSL_H                        = 0x8FF
+	SYS___COS_H                         = 0x8FD
+	SYS___DLERROR_A                     = 0x8D2
+	SYS___DLOPEN_A                      = 0x8D0
+	SYS___DLSYM_A                       = 0x8D1
+	SYS___GETUTXENT_A                   = 0x8C6
+	SYS___GETUTXID_A                    = 0x8C7
+	SYS___GETUTXLINE_A                  = 0x8C8
+	SYS___ITOA                          = 0x8AA
+	SYS___ITOA_A                        = 0x8B0
+	SYS___LE_CONDITION_TOKEN_BUILD      = 0x8A5
+	SYS___LE_MSG_ADD_INSERT             = 0x8A6
+	SYS___LE_MSG_GET                    = 0x8A7
+	SYS___LE_MSG_GET_AND_WRITE          = 0x8A8
+	SYS___LE_MSG_WRITE                  = 0x8A9
+	SYS___LLTOA                         = 0x8AE
+	SYS___LLTOA_A                       = 0x8B4
+	SYS___LTOA                          = 0x8AC
+	SYS___LTOA_A                        = 0x8B2
+	SYS___PUTCHAR_UNLOCKED_A            = 0x8CC
+	SYS___PUTC_UNLOCKED_A               = 0x8CB
+	SYS___PUTUTXLINE_A                  = 0x8C9
+	SYS___RESET_EXCEPTION_HANDLER       = 0x8E3
+	SYS___REXEC_A                       = 0x8C4
+	SYS___REXEC_AF_A                    = 0x8C5
+	SYS___SET_EXCEPTION_HANDLER         = 0x8E2
+	SYS___SNPRINTF_A                    = 0x8CD
+	SYS___SUPERKILL                     = 0x8A4
+	SYS___TCGETATTR_A                   = 0x8A1
+	SYS___TCSETATTR_A                   = 0x8A2
+	SYS___ULLTOA                        = 0x8AF
+	SYS___ULLTOA_A                      = 0x8B5
+	SYS___ULTOA                         = 0x8AD
+	SYS___ULTOA_A                       = 0x8B3
+	SYS___UTOA                          = 0x8AB
+	SYS___UTOA_A                        = 0x8B1
+	SYS___VHM_EVENT                     = 0x8E4
+	SYS___VSNPRINTF_A                   = 0x8CE
+	SYS_____GETENV_A                    = 0x8C3
+	SYS_____UTMPXNAME_A                 = 0x8CA
+	SYS_CACOSH                          = 0x9A0
+	SYS_CACOSHF                         = 0x9A3
+	SYS_CACOSHL                         = 0x9A6
+	SYS_CARG                            = 0x9A9
+	SYS_CARGF                           = 0x9AC
+	SYS_CARGL                           = 0x9AF
+	SYS_CASIN                           = 0x9B2
+	SYS_CASINF                          = 0x9B5
+	SYS_CASINH                          = 0x9BB
+	SYS_CASINHF                         = 0x9BE
+	SYS_CASINHL                         = 0x9C1
+	SYS_CASINL                          = 0x9B8
+	SYS_CATAN                           = 0x9C4
+	SYS_CATANF                          = 0x9C7
+	SYS_CATANH                          = 0x9CD
+	SYS_CATANHF                         = 0x9D0
+	SYS_CATANHL                         = 0x9D3
+	SYS_CATANL                          = 0x9CA
+	SYS_CCOS                            = 0x9D6
+	SYS_CCOSF                           = 0x9D9
+	SYS_CCOSH                           = 0x9DF
+	SYS_CCOSHF                          = 0x9E2
+	SYS_CCOSHL                          = 0x9E5
+	SYS_CCOSL                           = 0x9DC
+	SYS_CEXP                            = 0x9E8
+	SYS_CEXPF                           = 0x9EB
+	SYS_CEXPL                           = 0x9EE
+	SYS_CIMAG                           = 0x9F1
+	SYS_CIMAGF                          = 0x9F4
+	SYS_CIMAGL                          = 0x9F7
+	SYS_CLOGF                           = 0x9FD
+	SYS_MEMCHR                          = 0x09B
+	SYS_MEMCMP                          = 0x09A
+	SYS_STRCOLL                         = 0x09C
+	SYS_STRNCMP                         = 0x09D
+	SYS_STRRCHR                         = 0x09F
+	SYS_STRXFRM                         = 0x09E
+	SYS___CACOSHF_B                     = 0x9A4
+	SYS___CACOSHF_H                     = 0x9A5
+	SYS___CACOSHL_B                     = 0x9A7
+	SYS___CACOSHL_H                     = 0x9A8
+	SYS___CACOSH_B                      = 0x9A1
+	SYS___CACOSH_H                      = 0x9A2
+	SYS___CARGF_B                       = 0x9AD
+	SYS___CARGF_H                       = 0x9AE
+	SYS___CARGL_B                       = 0x9B0
+	SYS___CARGL_H                       = 0x9B1
+	SYS___CARG_B                        = 0x9AA
+	SYS___CARG_H                        = 0x9AB
+	SYS___CASINF_B                      = 0x9B6
+	SYS___CASINF_H                      = 0x9B7
+	SYS___CASINHF_B                     = 0x9BF
+	SYS___CASINHF_H                     = 0x9C0
+	SYS___CASINHL_B                     = 0x9C2
+	SYS___CASINHL_H                     = 0x9C3
+	SYS___CASINH_B                      = 0x9BC
+	SYS___CASINH_H                      = 0x9BD
+	SYS___CASINL_B                      = 0x9B9
+	SYS___CASINL_H                      = 0x9BA
+	SYS___CASIN_B                       = 0x9B3
+	SYS___CASIN_H                       = 0x9B4
+	SYS___CATANF_B                      = 0x9C8
+	SYS___CATANF_H                      = 0x9C9
+	SYS___CATANHF_B                     = 0x9D1
+	SYS___CATANHF_H                     = 0x9D2
+	SYS___CATANHL_B                     = 0x9D4
+	SYS___CATANHL_H                     = 0x9D5
+	SYS___CATANH_B                      = 0x9CE
+	SYS___CATANH_H                      = 0x9CF
+	SYS___CATANL_B                      = 0x9CB
+	SYS___CATANL_H                      = 0x9CC
+	SYS___CATAN_B                       = 0x9C5
+	SYS___CATAN_H                       = 0x9C6
+	SYS___CCOSF_B                       = 0x9DA
+	SYS___CCOSF_H                       = 0x9DB
+	SYS___CCOSHF_B                      = 0x9E3
+	SYS___CCOSHF_H                      = 0x9E4
+	SYS___CCOSHL_B                      = 0x9E6
+	SYS___CCOSHL_H                      = 0x9E7
+	SYS___CCOSH_B                       = 0x9E0
+	SYS___CCOSH_H                       = 0x9E1
+	SYS___CCOSL_B                       = 0x9DD
+	SYS___CCOSL_H                       = 0x9DE
+	SYS___CCOS_B                        = 0x9D7
+	SYS___CCOS_H                        = 0x9D8
+	SYS___CEXPF_B                       = 0x9EC
+	SYS___CEXPF_H                       = 0x9ED
+	SYS___CEXPL_B                       = 0x9EF
+	SYS___CEXPL_H                       = 0x9F0
+	SYS___CEXP_B                        = 0x9E9
+	SYS___CEXP_H                        = 0x9EA
+	SYS___CIMAGF_B                      = 0x9F5
+	SYS___CIMAGF_H                      = 0x9F6
+	SYS___CIMAGL_B                      = 0x9F8
+	SYS___CIMAGL_H                      = 0x9F9
+	SYS___CIMAG_B                       = 0x9F2
+	SYS___CIMAG_H                       = 0x9F3
+	SYS___CLOG                          = 0x9FA
+	SYS___CLOGF_B                       = 0x9FE
+	SYS___CLOGF_H                       = 0x9FF
+	SYS___CLOG_B                        = 0x9FB
+	SYS___CLOG_H                        = 0x9FC
+	SYS_ISWCTYPE                        = 0x10C
+	SYS_ISWXDIGI                        = 0x10A
+	SYS_ISWXDIGIT                       = 0x10A
+	SYS_MBSINIT                         = 0x10F
+	SYS_TOWLOWER                        = 0x10D
+	SYS_TOWUPPER                        = 0x10E
+	SYS_WCTYPE                          = 0x10B
+	SYS_WCSSTR                          = 0x11B
+	SYS___RPMTCH                        = 0x11A
+	SYS_WCSTOD                          = 0x12E
+	SYS_WCSTOK                          = 0x12C
+	SYS_WCSTOL                          = 0x12D
+	SYS_WCSTOUL                         = 0x12F
+	SYS_FGETWC                          = 0x13C
+	SYS_FGETWS                          = 0x13D
+	SYS_FPUTWC                          = 0x13E
+	SYS_FPUTWS                          = 0x13F
+	SYS_REGERROR                        = 0x13B
+	SYS_REGFREE                         = 0x13A
+	SYS_COLLEQUIV                       = 0x14F
+	SYS_COLLTOSTR                       = 0x14E
+	SYS_ISMCCOLLEL                      = 0x14C
+	SYS_STRTOCOLL                       = 0x14D
+	SYS_DLLFREE                         = 0x16F
+	SYS_DLLQUERYFN                      = 0x16D
+	SYS_DLLQUERYVAR                     = 0x16E
+	SYS_GETMCCOLL                       = 0x16A
+	SYS_GETWMCCOLL                      = 0x16B
+	SYS___ERR2AD                        = 0x16C
+	SYS_CFSETOSPEED                     = 0x17A
+	SYS_CHDIR                           = 0x17B
+	SYS_CHMOD                           = 0x17C
+	SYS_CHOWN                           = 0x17D
+	SYS_CLOSE                           = 0x17E
+	SYS_CLOSEDIR                        = 0x17F
+	SYS_LOG                             = 0x017
+	SYS_COSH                            = 0x018
+	SYS_FCHMOD                          = 0x18A
+	SYS_FCHOWN                          = 0x18B
+	SYS_FCNTL                           = 0x18C
+	SYS_FILENO                          = 0x18D
+	SYS_FORK                            = 0x18E
+	SYS_FPATHCONF                       = 0x18F
+	SYS_GETLOGIN                        = 0x19A
+	SYS_GETPGRP                         = 0x19C
+	SYS_GETPID                          = 0x19D
+	SYS_GETPPID                         = 0x19E
+	SYS_GETPWNAM                        = 0x19F
+	SYS_TANH                            = 0x019
+	SYS_W_GETMNTENT                     = 0x19B
+	SYS_POW                             = 0x020
+	SYS_PTHREAD_SELF                    = 0x20A
+	SYS_PTHREAD_SETINTR                 = 0x20B
+	SYS_PTHREAD_SETINTRTYPE             = 0x20C
+	SYS_PTHREAD_SETSPECIFIC             = 0x20D
+	SYS_PTHREAD_TESTINTR                = 0x20E
+	SYS_PTHREAD_YIELD                   = 0x20F
+	SYS_SQRT                            = 0x021
+	SYS_FLOOR                           = 0x022
+	SYS_J1                              = 0x023
+	SYS_WCSPBRK                         = 0x23F
+	SYS_BSEARCH                         = 0x24C
+	SYS_FABS                            = 0x024
+	SYS_GETENV                          = 0x24A
+	SYS_LDIV                            = 0x24D
+	SYS_SYSTEM                          = 0x24B
+	SYS_FMOD                            = 0x025
+	SYS___RETHROW                       = 0x25F
+	SYS___THROW                         = 0x25E
+	SYS_J0                              = 0x026
+	SYS_PUTENV                          = 0x26A
+	SYS___GETENV                        = 0x26F
+	SYS_SEMCTL                          = 0x27A
+	SYS_SEMGET                          = 0x27B
+	SYS_SEMOP                           = 0x27C
+	SYS_SHMAT                           = 0x27D
+	SYS_SHMCTL                          = 0x27E
+	SYS_SHMDT                           = 0x27F
+	SYS_YN                              = 0x027
+	SYS_JN                              = 0x028
+	SYS_SIGALTSTACK                     = 0x28A
+	SYS_SIGHOLD                         = 0x28B
+	SYS_SIGIGNORE                       = 0x28C
+	SYS_SIGINTERRUPT                    = 0x28D
+	SYS_SIGPAUSE                        = 0x28E
+	SYS_SIGRELSE                        = 0x28F
+	SYS_GETOPT                          = 0x29A
+	SYS_GETSUBOPT                       = 0x29D
+	SYS_LCHOWN                          = 0x29B
+	SYS_SETPGRP                         = 0x29E
+	SYS_TRUNCATE                        = 0x29C
+	SYS_Y0                              = 0x029
+	SYS___GDERR                         = 0x29F
+	SYS_ISALPHA                         = 0x030
+	SYS_VFORK                           = 0x30F
+	SYS__LONGJMP                        = 0x30D
+	SYS__SETJMP                         = 0x30E
+	SYS_GLOB                            = 0x31A
+	SYS_GLOBFREE                        = 0x31B
+	SYS_ISALNUM                         = 0x031
+	SYS_PUTW                            = 0x31C
+	SYS_SEEKDIR                         = 0x31D
+	SYS_TELLDIR                         = 0x31E
+	SYS_TEMPNAM                         = 0x31F
+	SYS_GETTIMEOFDAY_R                  = 0x32E
+	SYS_ISLOWER                         = 0x032
+	SYS_LGAMMA                          = 0x32C
+	SYS_REMAINDER                       = 0x32A
+	SYS_SCALB                           = 0x32B
+	SYS_SYNC                            = 0x32F
+	SYS_TTYSLOT                         = 0x32D
+	SYS_ENDPROTOENT                     = 0x33A
+	SYS_ENDSERVENT                      = 0x33B
+	SYS_GETHOSTBYADDR                   = 0x33D
+	SYS_GETHOSTBYADDR_R                 = 0x33C
+	SYS_GETHOSTBYNAME                   = 0x33F
+	SYS_GETHOSTBYNAME_R                 = 0x33E
+	SYS_ISCNTRL                         = 0x033
+	SYS_GETSERVBYNAME                   = 0x34A
+	SYS_GETSERVBYPORT                   = 0x34B
+	SYS_GETSERVENT                      = 0x34C
+	SYS_GETSOCKNAME                     = 0x34D
+	SYS_GETSOCKOPT                      = 0x34E
+	SYS_INET_ADDR                       = 0x34F
+	SYS_ISDIGIT                         = 0x034
+	SYS_ISGRAPH                         = 0x035
+	SYS_SELECT                          = 0x35B
+	SYS_SELECTEX                        = 0x35C
+	SYS_SEND                            = 0x35D
+	SYS_SENDTO                          = 0x35F
+	SYS_CHROOT                          = 0x36A
+	SYS_ISNAN                           = 0x36D
+	SYS_ISUPPER                         = 0x036
+	SYS_ULIMIT                          = 0x36C
+	SYS_UTIMES                          = 0x36E
+	SYS_W_STATVFS                       = 0x36B
+	SYS___H_ERRNO                       = 0x36F
+	SYS_GRANTPT                         = 0x37A
+	SYS_ISPRINT                         = 0x037
+	SYS_TCGETSID                        = 0x37C
+	SYS_UNLOCKPT                        = 0x37B
+	SYS___TCGETCP                       = 0x37D
+	SYS___TCSETCP                       = 0x37E
+	SYS___TCSETTABLES                   = 0x37F
+	SYS_ISPUNCT                         = 0x038
+	SYS_NLIST                           = 0x38C
+	SYS___IPDBCS                        = 0x38D
+	SYS___IPDSPX                        = 0x38E
+	SYS___IPMSGC                        = 0x38F
+	SYS___STHOSTENT                     = 0x38B
+	SYS___STSERVENT                     = 0x38A
+	SYS_ISSPACE                         = 0x039
+	SYS_COS                             = 0x040
+	SYS_T_ALLOC                         = 0x40A
+	SYS_T_BIND                          = 0x40B
+	SYS_T_CLOSE                         = 0x40C
+	SYS_T_CONNECT                       = 0x40D
+	SYS_T_ERROR                         = 0x40E
+	SYS_T_FREE                          = 0x40F
+	SYS_TAN                             = 0x041
+	SYS_T_RCVREL                        = 0x41A
+	SYS_T_RCVUDATA                      = 0x41B
+	SYS_T_RCVUDERR                      = 0x41C
+	SYS_T_SND                           = 0x41D
+	SYS_T_SNDDIS                        = 0x41E
+	SYS_T_SNDREL                        = 0x41F
+	SYS_GETPMSG                         = 0x42A
+	SYS_ISASTREAM                       = 0x42B
+	SYS_PUTMSG                          = 0x42C
+	SYS_PUTPMSG                         = 0x42D
+	SYS_SINH                            = 0x042
+	SYS___ISPOSIXON                     = 0x42E
+	SYS___OPENMVSREL                    = 0x42F
+	SYS_ACOS                            = 0x043
+	SYS_ATAN                            = 0x044
+	SYS_ATAN2                           = 0x045
+	SYS_FTELL                           = 0x046
+	SYS_FGETPOS                         = 0x047
+	SYS_SOCK_DEBUG                      = 0x47A
+	SYS_SOCK_DO_TESTSTOR                = 0x47D
+	SYS_TAKESOCKET                      = 0x47E
+	SYS___SERVER_INIT                   = 0x47F
+	SYS_FSEEK                           = 0x048
+	SYS___IPHOST                        = 0x48B
+	SYS___IPNODE                        = 0x48C
+	SYS___SERVER_CLASSIFY_CREATE        = 0x48D
+	SYS___SERVER_CLASSIFY_DESTROY       = 0x48E
+	SYS___SERVER_CLASSIFY_RESET         = 0x48F
+	SYS___SMF_RECORD                    = 0x48A
+	SYS_FSETPOS                         = 0x049
+	SYS___FNWSA                         = 0x49B
+	SYS___SPAWN2                        = 0x49D
+	SYS___SPAWNP2                       = 0x49E
+	SYS_ATOF                            = 0x050
+	SYS_PTHREAD_MUTEXATTR_GETPSHARED    = 0x50A
+	SYS_PTHREAD_MUTEXATTR_SETPSHARED    = 0x50B
+	SYS_PTHREAD_RWLOCK_DESTROY          = 0x50C
+	SYS_PTHREAD_RWLOCK_INIT             = 0x50D
+	SYS_PTHREAD_RWLOCK_RDLOCK           = 0x50E
+	SYS_PTHREAD_RWLOCK_TRYRDLOCK        = 0x50F
+	SYS_ATOI                            = 0x051
+	SYS___FP_CLASS                      = 0x51D
+	SYS___FP_CLR_FLAG                   = 0x51A
+	SYS___FP_FINITE                     = 0x51E
+	SYS___FP_ISNAN                      = 0x51F
+	SYS___FP_RAISE_XCP                  = 0x51C
+	SYS___FP_READ_FLAG                  = 0x51B
+	SYS_RAND                            = 0x052
+	SYS_SIGTIMEDWAIT                    = 0x52D
+	SYS_SIGWAITINFO                     = 0x52E
+	SYS___CHKBFP                        = 0x52F
+	SYS___FPC_RS                        = 0x52C
+	SYS___FPC_RW                        = 0x52A
+	SYS___FPC_SM                        = 0x52B
+	SYS_STRTOD                          = 0x053
+	SYS_STRTOL                          = 0x054
+	SYS_STRTOUL                         = 0x055
+	SYS_MALLOC                          = 0x056
+	SYS_SRAND                           = 0x057
+	SYS_CALLOC                          = 0x058
+	SYS_FREE                            = 0x059
+	SYS___OSENV                         = 0x59F
+	SYS___W_PIOCTL                      = 0x59E
+	SYS_LONGJMP                         = 0x060
+	SYS___FLOORF_B                      = 0x60A
+	SYS___FLOORL_B                      = 0x60B
+	SYS___FREXPF_B                      = 0x60C
+	SYS___FREXPL_B                      = 0x60D
+	SYS___LDEXPF_B                      = 0x60E
+	SYS___LDEXPL_B                      = 0x60F
+	SYS_SIGNAL                          = 0x061
+	SYS___ATAN2F_B                      = 0x61A
+	SYS___ATAN2L_B                      = 0x61B
+	SYS___COSHF_B                       = 0x61C
+	SYS___COSHL_B                       = 0x61D
+	SYS___EXPF_B                        = 0x61E
+	SYS___EXPL_B                        = 0x61F
+	SYS_TMPNAM                          = 0x062
+	SYS___ABSF_B                        = 0x62A
+	SYS___ABSL_B                        = 0x62C
+	SYS___ABS_B                         = 0x62B
+	SYS___FMODF_B                       = 0x62D
+	SYS___FMODL_B                       = 0x62E
+	SYS___MODFF_B                       = 0x62F
+	SYS_ATANL                           = 0x63A
+	SYS_CEILF                           = 0x63B
+	SYS_CEILL                           = 0x63C
+	SYS_COSF                            = 0x63D
+	SYS_COSHF                           = 0x63F
+	SYS_COSL                            = 0x63E
+	SYS_REMOVE                          = 0x063
+	SYS_POWL                            = 0x64A
+	SYS_RENAME                          = 0x064
+	SYS_SINF                            = 0x64B
+	SYS_SINHF                           = 0x64F
+	SYS_SINL                            = 0x64C
+	SYS_SQRTF                           = 0x64D
+	SYS_SQRTL                           = 0x64E
+	SYS_BTOWC                           = 0x65F
+	SYS_FREXPL                          = 0x65A
+	SYS_LDEXPF                          = 0x65B
+	SYS_LDEXPL                          = 0x65C
+	SYS_MODFF                           = 0x65D
+	SYS_MODFL                           = 0x65E
+	SYS_TMPFILE                         = 0x065
+	SYS_FREOPEN                         = 0x066
+	SYS___CHARMAP_INIT_A                = 0x66E
+	SYS___GETHOSTBYADDR_R_A             = 0x66C
+	SYS___GETHOSTBYNAME_A               = 0x66A
+	SYS___GETHOSTBYNAME_R_A             = 0x66D
+	SYS___MBLEN_A                       = 0x66F
+	SYS___RES_INIT_A                    = 0x66B
+	SYS_FCLOSE                          = 0x067
+	SYS___GETGRGID_R_A                  = 0x67D
+	SYS___WCSTOMBS_A                    = 0x67A
+	SYS___WCSTOMBS_STD_A                = 0x67B
+	SYS___WCSWIDTH_A                    = 0x67C
+	SYS___WCSWIDTH_ASIA                 = 0x67F
+	SYS___WCSWIDTH_STD_A                = 0x67E
+	SYS_FFLUSH                          = 0x068
+	SYS___GETLOGIN_R_A                  = 0x68E
+	SYS___GETPWNAM_R_A                  = 0x68C
+	SYS___GETPWUID_R_A                  = 0x68D
+	SYS___TTYNAME_R_A                   = 0x68F
+	SYS___WCWIDTH_ASIA                  = 0x68B
+	SYS___WCWIDTH_STD_A                 = 0x68A
+	SYS_FOPEN                           = 0x069
+	SYS___REGEXEC_A                     = 0x69A
+	SYS___REGEXEC_STD_A                 = 0x69B
+	SYS___REGFREE_A                     = 0x69C
+	SYS___REGFREE_STD_A                 = 0x69D
+	SYS___STRCOLL_A                     = 0x69E
+	SYS___STRCOLL_C_A                   = 0x69F
+	SYS_SCANF                           = 0x070
+	SYS___A64L_A                        = 0x70C
+	SYS___ECVT_A                        = 0x70D
+	SYS___FCVT_A                        = 0x70E
+	SYS___GCVT_A                        = 0x70F
+	SYS___STRTOUL_A                     = 0x70A
+	SYS_____AE_CORRESTBL_QUERY_A        = 0x70B
+	SYS_SPRINTF                         = 0x071
+	SYS___ACCESS_A                      = 0x71F
+	SYS___CATOPEN_A                     = 0x71E
+	SYS___GETOPT_A                      = 0x71D
+	SYS___REALPATH_A                    = 0x71A
+	SYS___SETENV_A                      = 0x71B
+	SYS___SYSTEM_A                      = 0x71C
+	SYS_FGETC                           = 0x072
+	SYS___GAI_STRERROR_A                = 0x72F
+	SYS___RMDIR_A                       = 0x72A
+	SYS___STATVFS_A                     = 0x72B
+	SYS___SYMLINK_A                     = 0x72C
+	SYS___TRUNCATE_A                    = 0x72D
+	SYS___UNLINK_A                      = 0x72E
+	SYS_VFPRINTF                        = 0x073
+	SYS___ISSPACE_A                     = 0x73A
+	SYS___ISUPPER_A                     = 0x73B
+	SYS___ISWALNUM_A                    = 0x73F
+	SYS___ISXDIGIT_A                    = 0x73C
+	SYS___TOLOWER_A                     = 0x73D
+	SYS___TOUPPER_A                     = 0x73E
+	SYS_VPRINTF                         = 0x074
+	SYS___CONFSTR_A                     = 0x74B
+	SYS___FDOPEN_A                      = 0x74E
+	SYS___FLDATA_A                      = 0x74F
+	SYS___FTOK_A                        = 0x74C
+	SYS___ISWXDIGIT_A                   = 0x74A
+	SYS___MKTEMP_A                      = 0x74D
+	SYS_VSPRINTF                        = 0x075
+	SYS___GETGRGID_A                    = 0x75A
+	SYS___GETGRNAM_A                    = 0x75B
+	SYS___GETGROUPSBYNAME_A             = 0x75C
+	SYS___GETHOSTENT_A                  = 0x75D
+	SYS___GETHOSTNAME_A                 = 0x75E
+	SYS___GETLOGIN_A                    = 0x75F
+	SYS_GETC                            = 0x076
+	SYS___CREATEWORKUNIT_A              = 0x76A
+	SYS___CTERMID_A                     = 0x76B
+	SYS___FMTMSG_A                      = 0x76C
+	SYS___INITGROUPS_A                  = 0x76D
+	SYS___MSGRCV_A                      = 0x76F
+	SYS_____LOGIN_A                     = 0x76E
+	SYS_FGETS                           = 0x077
+	SYS___STRCASECMP_A                  = 0x77B
+	SYS___STRNCASECMP_A                 = 0x77C
+	SYS___TTYNAME_A                     = 0x77D
+	SYS___UNAME_A                       = 0x77E
+	SYS___UTIMES_A                      = 0x77F
+	SYS_____SERVER_PWU_A                = 0x77A
+	SYS_FPUTC                           = 0x078
+	SYS___CREAT_O_A                     = 0x78E
+	SYS___ENVNA                         = 0x78F
+	SYS___FREAD_A                       = 0x78A
+	SYS___FWRITE_A                      = 0x78B
+	SYS___ISASCII                       = 0x78D
+	SYS___OPEN_O_A                      = 0x78C
+	SYS_FPUTS                           = 0x079
+	SYS___ASCTIME_A                     = 0x79C
+	SYS___CTIME_A                       = 0x79D
+	SYS___GETDATE_A                     = 0x79E
+	SYS___GETSERVBYPORT_A               = 0x79A
+	SYS___GETSERVENT_A                  = 0x79B
+	SYS___TZSET_A                       = 0x79F
+	SYS_ACL_FROM_TEXT                   = 0x80C
+	SYS_ACL_SET_FD                      = 0x80A
+	SYS_ACL_SET_FILE                    = 0x80B
+	SYS_ACL_SORT                        = 0x80E
+	SYS_ACL_TO_TEXT                     = 0x80D
+	SYS_UNGETC                          = 0x080
+	SYS___SHUTDOWN_REGISTRATION         = 0x80F
+	SYS_FREAD                           = 0x081
+	SYS_FREEADDRINFO                    = 0x81A
+	SYS_GAI_STRERROR                    = 0x81B
+	SYS_REXEC_AF                        = 0x81C
+	SYS___DYNALLOC_A                    = 0x81F
+	SYS___POE                           = 0x81D
+	SYS_WCSTOMBS                        = 0x082
+	SYS___INET_ADDR_A                   = 0x82F
+	SYS___NLIST_A                       = 0x82A
+	SYS_____TCGETCP_A                   = 0x82B
+	SYS_____TCSETCP_A                   = 0x82C
+	SYS_____W_PIOCTL_A                  = 0x82E
+	SYS_MBTOWC                          = 0x083
+	SYS___CABEND                        = 0x83D
+	SYS___LE_CIB_GET                    = 0x83E
+	SYS___RECVMSG_A                     = 0x83B
+	SYS___SENDMSG_A                     = 0x83A
+	SYS___SET_LAA_FOR_JIT               = 0x83F
+	SYS_____LCHATTR_A                   = 0x83C
+	SYS_WCTOMB                          = 0x084
+	SYS___CBRTL_B                       = 0x84A
+	SYS___COPYSIGNF_B                   = 0x84B
+	SYS___COPYSIGNL_B                   = 0x84C
+	SYS___COTANF_B                      = 0x84D
+	SYS___COTANL_B                      = 0x84F
+	SYS___COTAN_B                       = 0x84E
+	SYS_MBSTOWCS                        = 0x085
+	SYS___LOG1PL_B                      = 0x85A
+	SYS___LOG2F_B                       = 0x85B
+	SYS___LOG2L_B                       = 0x85D
+	SYS___LOG2_B                        = 0x85C
+	SYS___REMAINDERF_B                  = 0x85E
+	SYS___REMAINDERL_B                  = 0x85F
+	SYS_ACOSHF                          = 0x86E
+	SYS_ACOSHL                          = 0x86F
+	SYS_WCSCPY                          = 0x086
+	SYS___ERFCF_B                       = 0x86D
+	SYS___ERFF_B                        = 0x86C
+	SYS___LROUNDF_B                     = 0x86A
+	SYS___LROUND_B                      = 0x86B
+	SYS_COTANL                          = 0x87A
+	SYS_EXP2F                           = 0x87B
+	SYS_EXP2L                           = 0x87C
+	SYS_EXPM1F                          = 0x87D
+	SYS_EXPM1L                          = 0x87E
+	SYS_FDIMF                           = 0x87F
+	SYS_WCSCAT                          = 0x087
+	SYS___COTANL                        = 0x87A
+	SYS_REMAINDERF                      = 0x88A
+	SYS_REMAINDERL                      = 0x88B
+	SYS_REMAINDF                        = 0x88A
+	SYS_REMAINDL                        = 0x88B
+	SYS_REMQUO                          = 0x88D
+	SYS_REMQUOF                         = 0x88C
+	SYS_REMQUOL                         = 0x88E
+	SYS_TGAMMAF                         = 0x88F
+	SYS_WCSCHR                          = 0x088
+	SYS_ERFCF                           = 0x89B
+	SYS_ERFCL                           = 0x89C
+	SYS_ERFL                            = 0x89A
+	SYS_EXP2                            = 0x89E
+	SYS_WCSCMP                          = 0x089
+	SYS___EXP2_B                        = 0x89D
+	SYS___FAR_JUMP                      = 0x89F
+	SYS_ABS                             = 0x090
+	SYS___ERFCL_H                       = 0x90A
+	SYS___EXPF_H                        = 0x90C
+	SYS___EXPL_H                        = 0x90D
+	SYS___EXPM1_H                       = 0x90E
+	SYS___EXP_H                         = 0x90B
+	SYS___FDIM_H                        = 0x90F
+	SYS_DIV                             = 0x091
+	SYS___LOG2F_H                       = 0x91F
+	SYS___LOG2_H                        = 0x91E
+	SYS___LOGB_H                        = 0x91D
+	SYS___LOGF_H                        = 0x91B
+	SYS___LOGL_H                        = 0x91C
+	SYS___LOG_H                         = 0x91A
+	SYS_LABS                            = 0x092
+	SYS___POWL_H                        = 0x92A
+	SYS___REMAINDER_H                   = 0x92B
+	SYS___RINT_H                        = 0x92C
+	SYS___SCALB_H                       = 0x92D
+	SYS___SINF_H                        = 0x92F
+	SYS___SIN_H                         = 0x92E
+	SYS_STRNCPY                         = 0x093
+	SYS___TANHF_H                       = 0x93B
+	SYS___TANHL_H                       = 0x93C
+	SYS___TANH_H                        = 0x93A
+	SYS___TGAMMAF_H                     = 0x93E
+	SYS___TGAMMA_H                      = 0x93D
+	SYS___TRUNC_H                       = 0x93F
+	SYS_MEMCPY                          = 0x094
+	SYS_VFWSCANF                        = 0x94A
+	SYS_VSWSCANF                        = 0x94E
+	SYS_VWSCANF                         = 0x94C
+	SYS_INET6_RTH_ADD                   = 0x95D
+	SYS_INET6_RTH_INIT                  = 0x95C
+	SYS_INET6_RTH_REVERSE               = 0x95E
+	SYS_INET6_RTH_SEGMENTS              = 0x95F
+	SYS_INET6_RTH_SPACE                 = 0x95B
+	SYS_MEMMOVE                         = 0x095
+	SYS_WCSTOLD                         = 0x95A
+	SYS_STRCPY                          = 0x096
+	SYS_STRCMP                          = 0x097
+	SYS_CABS                            = 0x98E
+	SYS_STRCAT                          = 0x098
+	SYS___CABS_B                        = 0x98F
+	SYS___POW_II                        = 0x98A
+	SYS___POW_II_B                      = 0x98B
+	SYS___POW_II_H                      = 0x98C
+	SYS_CACOSF                          = 0x99A
+	SYS_CACOSL                          = 0x99D
+	SYS_STRNCAT                         = 0x099
+	SYS___CACOSF_B                      = 0x99B
+	SYS___CACOSF_H                      = 0x99C
+	SYS___CACOSL_B                      = 0x99E
+	SYS___CACOSL_H                      = 0x99F
+	SYS_ISWALPHA                        = 0x100
+	SYS_ISWBLANK                        = 0x101
+	SYS___ISWBLK                        = 0x101
+	SYS_ISWCNTRL                        = 0x102
+	SYS_ISWDIGIT                        = 0x103
+	SYS_ISWGRAPH                        = 0x104
+	SYS_ISWLOWER                        = 0x105
+	SYS_ISWPRINT                        = 0x106
+	SYS_ISWPUNCT                        = 0x107
+	SYS_ISWSPACE                        = 0x108
+	SYS_ISWUPPER                        = 0x109
+	SYS_WCTOB                           = 0x110
+	SYS_MBRLEN                          = 0x111
+	SYS_MBRTOWC                         = 0x112
+	SYS_MBSRTOWC                        = 0x113
+	SYS_MBSRTOWCS                       = 0x113
+	SYS_WCRTOMB                         = 0x114
+	SYS_WCSRTOMB                        = 0x115
+	SYS_WCSRTOMBS                       = 0x115
+	SYS___CSID                          = 0x116
+	SYS___WCSID                         = 0x117
+	SYS_STRPTIME                        = 0x118
+	SYS___STRPTM                        = 0x118
+	SYS_STRFMON                         = 0x119
+	SYS_WCSCOLL                         = 0x130
+	SYS_WCSXFRM                         = 0x131
+	SYS_WCSWIDTH                        = 0x132
+	SYS_WCWIDTH                         = 0x133
+	SYS_WCSFTIME                        = 0x134
+	SYS_SWPRINTF                        = 0x135
+	SYS_VSWPRINT                        = 0x136
+	SYS_VSWPRINTF                       = 0x136
+	SYS_SWSCANF                         = 0x137
+	SYS_REGCOMP                         = 0x138
+	SYS_REGEXEC                         = 0x139
+	SYS_GETWC                           = 0x140
+	SYS_GETWCHAR                        = 0x141
+	SYS_PUTWC                           = 0x142
+	SYS_PUTWCHAR                        = 0x143
+	SYS_UNGETWC                         = 0x144
+	SYS_ICONV_OPEN                      = 0x145
+	SYS_ICONV                           = 0x146
+	SYS_ICONV_CLOSE                     = 0x147
+	SYS_COLLRANGE                       = 0x150
+	SYS_CCLASS                          = 0x151
+	SYS_COLLORDER                       = 0x152
+	SYS___DEMANGLE                      = 0x154
+	SYS_FDOPEN                          = 0x155
+	SYS___ERRNO                         = 0x156
+	SYS___ERRNO2                        = 0x157
+	SYS___TERROR                        = 0x158
+	SYS_MAXCOLL                         = 0x169
+	SYS_DLLLOAD                         = 0x170
+	SYS__EXIT                           = 0x174
+	SYS_ACCESS                          = 0x175
+	SYS_ALARM                           = 0x176
+	SYS_CFGETISPEED                     = 0x177
+	SYS_CFGETOSPEED                     = 0x178
+	SYS_CFSETISPEED                     = 0x179
+	SYS_CREAT                           = 0x180
+	SYS_CTERMID                         = 0x181
+	SYS_DUP                             = 0x182
+	SYS_DUP2                            = 0x183
+	SYS_EXECL                           = 0x184
+	SYS_EXECLE                          = 0x185
+	SYS_EXECLP                          = 0x186
+	SYS_EXECV                           = 0x187
+	SYS_EXECVE                          = 0x188
+	SYS_EXECVP                          = 0x189
+	SYS_FSTAT                           = 0x190
+	SYS_FSYNC                           = 0x191
+	SYS_FTRUNCATE                       = 0x192
+	SYS_GETCWD                          = 0x193
+	SYS_GETEGID                         = 0x194
+	SYS_GETEUID                         = 0x195
+	SYS_GETGID                          = 0x196
+	SYS_GETGRGID                        = 0x197
+	SYS_GETGRNAM                        = 0x198
+	SYS_GETGROUPS                       = 0x199
+	SYS_PTHREAD_MUTEXATTR_DESTROY       = 0x200
+	SYS_PTHREAD_MUTEXATTR_SETKIND_NP    = 0x201
+	SYS_PTHREAD_MUTEXATTR_GETKIND_NP    = 0x202
+	SYS_PTHREAD_MUTEX_INIT              = 0x203
+	SYS_PTHREAD_MUTEX_DESTROY           = 0x204
+	SYS_PTHREAD_MUTEX_LOCK              = 0x205
+	SYS_PTHREAD_MUTEX_TRYLOCK           = 0x206
+	SYS_PTHREAD_MUTEX_UNLOCK            = 0x207
+	SYS_PTHREAD_ONCE                    = 0x209
+	SYS_TW_OPEN                         = 0x210
+	SYS_TW_FCNTL                        = 0x211
+	SYS_PTHREAD_JOIN_D4_NP              = 0x212
+	SYS_PTHREAD_CONDATTR_SETKIND_NP     = 0x213
+	SYS_PTHREAD_CONDATTR_GETKIND_NP     = 0x214
+	SYS_EXTLINK_NP                      = 0x215
+	SYS___PASSWD                        = 0x216
+	SYS_SETGROUPS                       = 0x217
+	SYS_INITGROUPS                      = 0x218
+	SYS_WCSRCHR                         = 0x240
+	SYS_SVC99                           = 0x241
+	SYS___SVC99                         = 0x241
+	SYS_WCSWCS                          = 0x242
+	SYS_LOCALECO                        = 0x243
+	SYS_LOCALECONV                      = 0x243
+	SYS___LIBREL                        = 0x244
+	SYS_RELEASE                         = 0x245
+	SYS___RLSE                          = 0x245
+	SYS_FLOCATE                         = 0x246
+	SYS___FLOCT                         = 0x246
+	SYS_FDELREC                         = 0x247
+	SYS___FDLREC                        = 0x247
+	SYS_FETCH                           = 0x248
+	SYS___FETCH                         = 0x248
+	SYS_QSORT                           = 0x249
+	SYS___CLEANUPCATCH                  = 0x260
+	SYS___CATCHMATCH                    = 0x261
+	SYS___CLEAN2UPCATCH                 = 0x262
+	SYS_GETPRIORITY                     = 0x270
+	SYS_NICE                            = 0x271
+	SYS_SETPRIORITY                     = 0x272
+	SYS_GETITIMER                       = 0x273
+	SYS_SETITIMER                       = 0x274
+	SYS_MSGCTL                          = 0x275
+	SYS_MSGGET                          = 0x276
+	SYS_MSGRCV                          = 0x277
+	SYS_MSGSND                          = 0x278
+	SYS_MSGXRCV                         = 0x279
+	SYS___MSGXR                         = 0x279
+	SYS_SHMGET                          = 0x280
+	SYS___GETIPC                        = 0x281
+	SYS_SETGRENT                        = 0x282
+	SYS_GETGRENT                        = 0x283
+	SYS_ENDGRENT                        = 0x284
+	SYS_SETPWENT                        = 0x285
+	SYS_GETPWENT                        = 0x286
+	SYS_ENDPWENT                        = 0x287
+	SYS_BSD_SIGNAL                      = 0x288
+	SYS_KILLPG                          = 0x289
+	SYS_SIGSET                          = 0x290
+	SYS_SIGSTACK                        = 0x291
+	SYS_GETRLIMIT                       = 0x292
+	SYS_SETRLIMIT                       = 0x293
+	SYS_GETRUSAGE                       = 0x294
+	SYS_MMAP                            = 0x295
+	SYS_MPROTECT                        = 0x296
+	SYS_MSYNC                           = 0x297
+	SYS_MUNMAP                          = 0x298
+	SYS_CONFSTR                         = 0x299
+	SYS___NDMTRM                        = 0x300
+	SYS_FTOK                            = 0x301
+	SYS_BASENAME                        = 0x302
+	SYS_DIRNAME                         = 0x303
+	SYS_GETDTABLESIZE                   = 0x304
+	SYS_MKSTEMP                         = 0x305
+	SYS_MKTEMP                          = 0x306
+	SYS_NFTW                            = 0x307
+	SYS_GETWD                           = 0x308
+	SYS_LOCKF                           = 0x309
+	SYS_WORDEXP                         = 0x310
+	SYS_WORDFREE                        = 0x311
+	SYS_GETPGID                         = 0x312
+	SYS_GETSID                          = 0x313
+	SYS___UTMPXNAME                     = 0x314
+	SYS_CUSERID                         = 0x315
+	SYS_GETPASS                         = 0x316
+	SYS_FNMATCH                         = 0x317
+	SYS_FTW                             = 0x318
+	SYS_GETW                            = 0x319
+	SYS_ACOSH                           = 0x320
+	SYS_ASINH                           = 0x321
+	SYS_ATANH                           = 0x322
+	SYS_CBRT                            = 0x323
+	SYS_EXPM1                           = 0x324
+	SYS_ILOGB                           = 0x325
+	SYS_LOGB                            = 0x326
+	SYS_LOG1P                           = 0x327
+	SYS_NEXTAFTER                       = 0x328
+	SYS_RINT                            = 0x329
+	SYS_SPAWN                           = 0x330
+	SYS_SPAWNP                          = 0x331
+	SYS_GETLOGIN_UU                     = 0x332
+	SYS_ECVT                            = 0x333
+	SYS_FCVT                            = 0x334
+	SYS_GCVT                            = 0x335
+	SYS_ACCEPT                          = 0x336
+	SYS_BIND                            = 0x337
+	SYS_CONNECT                         = 0x338
+	SYS_ENDHOSTENT                      = 0x339
+	SYS_GETHOSTENT                      = 0x340
+	SYS_GETHOSTID                       = 0x341
+	SYS_GETHOSTNAME                     = 0x342
+	SYS_GETNETBYADDR                    = 0x343
+	SYS_GETNETBYNAME                    = 0x344
+	SYS_GETNETENT                       = 0x345
+	SYS_GETPEERNAME                     = 0x346
+	SYS_GETPROTOBYNAME                  = 0x347
+	SYS_GETPROTOBYNUMBER                = 0x348
+	SYS_GETPROTOENT                     = 0x349
+	SYS_INET_LNAOF                      = 0x350
+	SYS_INET_MAKEADDR                   = 0x351
+	SYS_INET_NETOF                      = 0x352
+	SYS_INET_NETWORK                    = 0x353
+	SYS_INET_NTOA                       = 0x354
+	SYS_IOCTL                           = 0x355
+	SYS_LISTEN                          = 0x356
+	SYS_READV                           = 0x357
+	SYS_RECV                            = 0x358
+	SYS_RECVFROM                        = 0x359
+	SYS_SETHOSTENT                      = 0x360
+	SYS_SETNETENT                       = 0x361
+	SYS_SETPEER                         = 0x362
+	SYS_SETPROTOENT                     = 0x363
+	SYS_SETSERVENT                      = 0x364
+	SYS_SETSOCKOPT                      = 0x365
+	SYS_SHUTDOWN                        = 0x366
+	SYS_SOCKET                          = 0x367
+	SYS_SOCKETPAIR                      = 0x368
+	SYS_WRITEV                          = 0x369
+	SYS_ENDNETENT                       = 0x370
+	SYS_CLOSELOG                        = 0x371
+	SYS_OPENLOG                         = 0x372
+	SYS_SETLOGMASK                      = 0x373
+	SYS_SYSLOG                          = 0x374
+	SYS_PTSNAME                         = 0x375
+	SYS_SETREUID                        = 0x376
+	SYS_SETREGID                        = 0x377
+	SYS_REALPATH                        = 0x378
+	SYS___SIGNGAM                       = 0x379
+	SYS_POLL                            = 0x380
+	SYS_REXEC                           = 0x381
+	SYS___ISASCII2                      = 0x382
+	SYS___TOASCII2                      = 0x383
+	SYS_CHPRIORITY                      = 0x384
+	SYS_PTHREAD_ATTR_SETSYNCTYPE_NP     = 0x385
+	SYS_PTHREAD_ATTR_GETSYNCTYPE_NP     = 0x386
+	SYS_PTHREAD_SET_LIMIT_NP            = 0x387
+	SYS___STNETENT                      = 0x388
+	SYS___STPROTOENT                    = 0x389
+	SYS___SELECT1                       = 0x390
+	SYS_PTHREAD_SECURITY_NP             = 0x391
+	SYS___CHECK_RESOURCE_AUTH_NP        = 0x392
+	SYS___CONVERT_ID_NP                 = 0x393
+	SYS___OPENVMREL                     = 0x394
+	SYS_WMEMCHR                         = 0x395
+	SYS_WMEMCMP                         = 0x396
+	SYS_WMEMCPY                         = 0x397
+	SYS_WMEMMOVE                        = 0x398
+	SYS_WMEMSET                         = 0x399
+	SYS___FPUTWC                        = 0x400
+	SYS___PUTWC                         = 0x401
+	SYS___PWCHAR                        = 0x402
+	SYS___WCSFTM                        = 0x403
+	SYS___WCSTOK                        = 0x404
+	SYS___WCWDTH                        = 0x405
+	SYS_T_ACCEPT                        = 0x409
+	SYS_T_GETINFO                       = 0x410
+	SYS_T_GETPROTADDR                   = 0x411
+	SYS_T_GETSTATE                      = 0x412
+	SYS_T_LISTEN                        = 0x413
+	SYS_T_LOOK                          = 0x414
+	SYS_T_OPEN                          = 0x415
+	SYS_T_OPTMGMT                       = 0x416
+	SYS_T_RCV                           = 0x417
+	SYS_T_RCVCONNECT                    = 0x418
+	SYS_T_RCVDIS                        = 0x419
+	SYS_T_SNDUDATA                      = 0x420
+	SYS_T_STRERROR                      = 0x421
+	SYS_T_SYNC                          = 0x422
+	SYS_T_UNBIND                        = 0x423
+	SYS___T_ERRNO                       = 0x424
+	SYS___RECVMSG2                      = 0x425
+	SYS___SENDMSG2                      = 0x426
+	SYS_FATTACH                         = 0x427
+	SYS_FDETACH                         = 0x428
+	SYS_GETMSG                          = 0x429
+	SYS_GETCONTEXT                      = 0x430
+	SYS_SETCONTEXT                      = 0x431
+	SYS_MAKECONTEXT                     = 0x432
+	SYS_SWAPCONTEXT                     = 0x433
+	SYS_PTHREAD_GETSPECIFIC_D8_NP       = 0x434
+	SYS_GETCLIENTID                     = 0x470
+	SYS___GETCLIENTID                   = 0x471
+	SYS_GETSTABLESIZE                   = 0x472
+	SYS_GETIBMOPT                       = 0x473
+	SYS_GETIBMSOCKOPT                   = 0x474
+	SYS_GIVESOCKET                      = 0x475
+	SYS_IBMSFLUSH                       = 0x476
+	SYS_MAXDESC                         = 0x477
+	SYS_SETIBMOPT                       = 0x478
+	SYS_SETIBMSOCKOPT                   = 0x479
+	SYS___SERVER_PWU                    = 0x480
+	SYS_PTHREAD_TAG_NP                  = 0x481
+	SYS___CONSOLE                       = 0x482
+	SYS___WSINIT                        = 0x483
+	SYS___IPTCPN                        = 0x489
+	SYS___SERVER_CLASSIFY               = 0x490
+	SYS___HEAPRPT                       = 0x496
+	SYS___ISBFP                         = 0x500
+	SYS___FP_CAST                       = 0x501
+	SYS___CERTIFICATE                   = 0x502
+	SYS_SEND_FILE                       = 0x503
+	SYS_AIO_CANCEL                      = 0x504
+	SYS_AIO_ERROR                       = 0x505
+	SYS_AIO_READ                        = 0x506
+	SYS_AIO_RETURN                      = 0x507
+	SYS_AIO_SUSPEND                     = 0x508
+	SYS_AIO_WRITE                       = 0x509
+	SYS_PTHREAD_RWLOCK_TRYWRLOCK        = 0x510
+	SYS_PTHREAD_RWLOCK_UNLOCK           = 0x511
+	SYS_PTHREAD_RWLOCK_WRLOCK           = 0x512
+	SYS_PTHREAD_RWLOCKATTR_GETPSHARED   = 0x513
+	SYS_PTHREAD_RWLOCKATTR_SETPSHARED   = 0x514
+	SYS_PTHREAD_RWLOCKATTR_INIT         = 0x515
+	SYS_PTHREAD_RWLOCKATTR_DESTROY      = 0x516
+	SYS___CTTBL                         = 0x517
+	SYS_PTHREAD_MUTEXATTR_SETTYPE       = 0x518
+	SYS_PTHREAD_MUTEXATTR_GETTYPE       = 0x519
+	SYS___FP_UNORDERED                  = 0x520
+	SYS___FP_READ_RND                   = 0x521
+	SYS___FP_READ_RND_B                 = 0x522
+	SYS___FP_SWAP_RND                   = 0x523
+	SYS___FP_SWAP_RND_B                 = 0x524
+	SYS___FP_LEVEL                      = 0x525
+	SYS___FP_BTOH                       = 0x526
+	SYS___FP_HTOB                       = 0x527
+	SYS___FPC_RD                        = 0x528
+	SYS___FPC_WR                        = 0x529
+	SYS_PTHREAD_SETCANCELTYPE           = 0x600
+	SYS_PTHREAD_TESTCANCEL              = 0x601
+	SYS___ATANF_B                       = 0x602
+	SYS___ATANL_B                       = 0x603
+	SYS___CEILF_B                       = 0x604
+	SYS___CEILL_B                       = 0x605
+	SYS___COSF_B                        = 0x606
+	SYS___COSL_B                        = 0x607
+	SYS___FABSF_B                       = 0x608
+	SYS___FABSL_B                       = 0x609
+	SYS___SINF_B                        = 0x610
+	SYS___SINL_B                        = 0x611
+	SYS___TANF_B                        = 0x612
+	SYS___TANL_B                        = 0x613
+	SYS___TANHF_B                       = 0x614
+	SYS___TANHL_B                       = 0x615
+	SYS___ACOSF_B                       = 0x616
+	SYS___ACOSL_B                       = 0x617
+	SYS___ASINF_B                       = 0x618
+	SYS___ASINL_B                       = 0x619
+	SYS___LOGF_B                        = 0x620
+	SYS___LOGL_B                        = 0x621
+	SYS___LOG10F_B                      = 0x622
+	SYS___LOG10L_B                      = 0x623
+	SYS___POWF_B                        = 0x624
+	SYS___POWL_B                        = 0x625
+	SYS___SINHF_B                       = 0x626
+	SYS___SINHL_B                       = 0x627
+	SYS___SQRTF_B                       = 0x628
+	SYS___SQRTL_B                       = 0x629
+	SYS___MODFL_B                       = 0x630
+	SYS_ABSF                            = 0x631
+	SYS_ABSL                            = 0x632
+	SYS_ACOSF                           = 0x633
+	SYS_ACOSL                           = 0x634
+	SYS_ASINF                           = 0x635
+	SYS_ASINL                           = 0x636
+	SYS_ATAN2F                          = 0x637
+	SYS_ATAN2L                          = 0x638
+	SYS_ATANF                           = 0x639
+	SYS_COSHL                           = 0x640
+	SYS_EXPF                            = 0x641
+	SYS_EXPL                            = 0x642
+	SYS_TANHF                           = 0x643
+	SYS_TANHL                           = 0x644
+	SYS_LOG10F                          = 0x645
+	SYS_LOG10L                          = 0x646
+	SYS_LOGF                            = 0x647
+	SYS_LOGL                            = 0x648
+	SYS_POWF                            = 0x649
+	SYS_SINHL                           = 0x650
+	SYS_TANF                            = 0x651
+	SYS_TANL                            = 0x652
+	SYS_FABSF                           = 0x653
+	SYS_FABSL                           = 0x654
+	SYS_FLOORF                          = 0x655
+	SYS_FLOORL                          = 0x656
+	SYS_FMODF                           = 0x657
+	SYS_FMODL                           = 0x658
+	SYS_FREXPF                          = 0x659
+	SYS___CHATTR                        = 0x660
+	SYS___FCHATTR                       = 0x661
+	SYS___TOCCSID                       = 0x662
+	SYS___CSNAMETYPE                    = 0x663
+	SYS___TOCSNAME                      = 0x664
+	SYS___CCSIDTYPE                     = 0x665
+	SYS___AE_CORRESTBL_QUERY            = 0x666
+	SYS___AE_AUTOCONVERT_STATE          = 0x667
+	SYS_DN_FIND                         = 0x668
+	SYS___GETHOSTBYADDR_A               = 0x669
+	SYS___MBLEN_SB_A                    = 0x670
+	SYS___MBLEN_STD_A                   = 0x671
+	SYS___MBLEN_UTF                     = 0x672
+	SYS___MBSTOWCS_A                    = 0x673
+	SYS___MBSTOWCS_STD_A                = 0x674
+	SYS___MBTOWC_A                      = 0x675
+	SYS___MBTOWC_ISO1                   = 0x676
+	SYS___MBTOWC_SBCS                   = 0x677
+	SYS___MBTOWC_MBCS                   = 0x678
+	SYS___MBTOWC_UTF                    = 0x679
+	SYS___CSID_A                        = 0x680
+	SYS___CSID_STD_A                    = 0x681
+	SYS___WCSID_A                       = 0x682
+	SYS___WCSID_STD_A                   = 0x683
+	SYS___WCTOMB_A                      = 0x684
+	SYS___WCTOMB_ISO1                   = 0x685
+	SYS___WCTOMB_STD_A                  = 0x686
+	SYS___WCTOMB_UTF                    = 0x687
+	SYS___WCWIDTH_A                     = 0x688
+	SYS___GETGRNAM_R_A                  = 0x689
+	SYS___READDIR_R_A                   = 0x690
+	SYS___E2A_S                         = 0x691
+	SYS___FNMATCH_A                     = 0x692
+	SYS___FNMATCH_C_A                   = 0x693
+	SYS___EXECL_A                       = 0x694
+	SYS___FNMATCH_STD_A                 = 0x695
+	SYS___REGCOMP_A                     = 0x696
+	SYS___REGCOMP_STD_A                 = 0x697
+	SYS___REGERROR_A                    = 0x698
+	SYS___REGERROR_STD_A                = 0x699
+	SYS___SWPRINTF_A                    = 0x700
+	SYS___FSCANF_A                      = 0x701
+	SYS___SCANF_A                       = 0x702
+	SYS___SSCANF_A                      = 0x703
+	SYS___SWSCANF_A                     = 0x704
+	SYS___ATOF_A                        = 0x705
+	SYS___ATOI_A                        = 0x706
+	SYS___ATOL_A                        = 0x707
+	SYS___STRTOD_A                      = 0x708
+	SYS___STRTOL_A                      = 0x709
+	SYS___L64A_A                        = 0x710
+	SYS___STRERROR_A                    = 0x711
+	SYS___PERROR_A                      = 0x712
+	SYS___FETCH_A                       = 0x713
+	SYS___GETENV_A                      = 0x714
+	SYS___MKSTEMP_A                     = 0x717
+	SYS___PTSNAME_A                     = 0x718
+	SYS___PUTENV_A                      = 0x719
+	SYS___CHDIR_A                       = 0x720
+	SYS___CHOWN_A                       = 0x721
+	SYS___CHROOT_A                      = 0x722
+	SYS___GETCWD_A                      = 0x723
+	SYS___GETWD_A                       = 0x724
+	SYS___LCHOWN_A                      = 0x725
+	SYS___LINK_A                        = 0x726
+	SYS___PATHCONF_A                    = 0x727
+	SYS___IF_NAMEINDEX_A                = 0x728
+	SYS___READLINK_A                    = 0x729
+	SYS___EXTLINK_NP_A                  = 0x730
+	SYS___ISALNUM_A                     = 0x731
+	SYS___ISALPHA_A                     = 0x732
+	SYS___A2E_S                         = 0x733
+	SYS___ISCNTRL_A                     = 0x734
+	SYS___ISDIGIT_A                     = 0x735
+	SYS___ISGRAPH_A                     = 0x736
+	SYS___ISLOWER_A                     = 0x737
+	SYS___ISPRINT_A                     = 0x738
+	SYS___ISPUNCT_A                     = 0x739
+	SYS___ISWALPHA_A                    = 0x740
+	SYS___A2E_L                         = 0x741
+	SYS___ISWCNTRL_A                    = 0x742
+	SYS___ISWDIGIT_A                    = 0x743
+	SYS___ISWGRAPH_A                    = 0x744
+	SYS___ISWLOWER_A                    = 0x745
+	SYS___ISWPRINT_A                    = 0x746
+	SYS___ISWPUNCT_A                    = 0x747
+	SYS___ISWSPACE_A                    = 0x748
+	SYS___ISWUPPER_A                    = 0x749
+	SYS___REMOVE_A                      = 0x750
+	SYS___RENAME_A                      = 0x751
+	SYS___TMPNAM_A                      = 0x752
+	SYS___FOPEN_A                       = 0x753
+	SYS___FREOPEN_A                     = 0x754
+	SYS___CUSERID_A                     = 0x755
+	SYS___POPEN_A                       = 0x756
+	SYS___TEMPNAM_A                     = 0x757
+	SYS___FTW_A                         = 0x758
+	SYS___GETGRENT_A                    = 0x759
+	SYS___INET_NTOP_A                   = 0x760
+	SYS___GETPASS_A                     = 0x761
+	SYS___GETPWENT_A                    = 0x762
+	SYS___GETPWNAM_A                    = 0x763
+	SYS___GETPWUID_A                    = 0x764
+	SYS_____CHECK_RESOURCE_AUTH_NP_A    = 0x765
+	SYS___CHECKSCHENV_A                 = 0x766
+	SYS___CONNECTSERVER_A               = 0x767
+	SYS___CONNECTWORKMGR_A              = 0x768
+	SYS_____CONSOLE_A                   = 0x769
+	SYS___MSGSND_A                      = 0x770
+	SYS___MSGXRCV_A                     = 0x771
+	SYS___NFTW_A                        = 0x772
+	SYS_____PASSWD_A                    = 0x773
+	SYS___PTHREAD_SECURITY_NP_A         = 0x774
+	SYS___QUERYMETRICS_A                = 0x775
+	SYS___QUERYSCHENV                   = 0x776
+	SYS___READV_A                       = 0x777
+	SYS_____SERVER_CLASSIFY_A           = 0x778
+	SYS_____SERVER_INIT_A               = 0x779
+	SYS___W_GETPSENT_A                  = 0x780
+	SYS___WRITEV_A                      = 0x781
+	SYS___W_STATFS_A                    = 0x782
+	SYS___W_STATVFS_A                   = 0x783
+	SYS___FPUTC_A                       = 0x784
+	SYS___PUTCHAR_A                     = 0x785
+	SYS___PUTS_A                        = 0x786
+	SYS___FGETS_A                       = 0x787
+	SYS___GETS_A                        = 0x788
+	SYS___FPUTS_A                       = 0x789
+	SYS___PUTC_A                        = 0x790
+	SYS___AE_THREAD_SETMODE             = 0x791
+	SYS___AE_THREAD_SWAPMODE            = 0x792
+	SYS___GETNETBYADDR_A                = 0x793
+	SYS___GETNETBYNAME_A                = 0x794
+	SYS___GETNETENT_A                   = 0x795
+	SYS___GETPROTOBYNAME_A              = 0x796
+	SYS___GETPROTOBYNUMBER_A            = 0x797
+	SYS___GETPROTOENT_A                 = 0x798
+	SYS___GETSERVBYNAME_A               = 0x799
+	SYS_ACL_FIRST_ENTRY                 = 0x800
+	SYS_ACL_GET_ENTRY                   = 0x801
+	SYS_ACL_VALID                       = 0x802
+	SYS_ACL_CREATE_ENTRY                = 0x803
+	SYS_ACL_DELETE_ENTRY                = 0x804
+	SYS_ACL_UPDATE_ENTRY                = 0x805
+	SYS_ACL_DELETE_FD                   = 0x806
+	SYS_ACL_DELETE_FILE                 = 0x807
+	SYS_ACL_GET_FD                      = 0x808
+	SYS_ACL_GET_FILE                    = 0x809
+	SYS___ERFL_B                        = 0x810
+	SYS___ERFCL_B                       = 0x811
+	SYS___LGAMMAL_B                     = 0x812
+	SYS___SETHOOKEVENTS                 = 0x813
+	SYS_IF_NAMETOINDEX                  = 0x814
+	SYS_IF_INDEXTONAME                  = 0x815
+	SYS_IF_NAMEINDEX                    = 0x816
+	SYS_IF_FREENAMEINDEX                = 0x817
+	SYS_GETADDRINFO                     = 0x818
+	SYS_GETNAMEINFO                     = 0x819
+	SYS___DYNFREE_A                     = 0x820
+	SYS___RES_QUERY_A                   = 0x821
+	SYS___RES_SEARCH_A                  = 0x822
+	SYS___RES_QUERYDOMAIN_A             = 0x823
+	SYS___RES_MKQUERY_A                 = 0x824
+	SYS___RES_SEND_A                    = 0x825
+	SYS___DN_EXPAND_A                   = 0x826
+	SYS___DN_SKIPNAME_A                 = 0x827
+	SYS___DN_COMP_A                     = 0x828
+	SYS___DN_FIND_A                     = 0x829
+	SYS___INET_NTOA_A                   = 0x830
+	SYS___INET_NETWORK_A                = 0x831
+	SYS___ACCEPT_A                      = 0x832
+	SYS___ACCEPT_AND_RECV_A             = 0x833
+	SYS___BIND_A                        = 0x834
+	SYS___CONNECT_A                     = 0x835
+	SYS___GETPEERNAME_A                 = 0x836
+	SYS___GETSOCKNAME_A                 = 0x837
+	SYS___RECVFROM_A                    = 0x838
+	SYS___SENDTO_A                      = 0x839
+	SYS___LCHATTR                       = 0x840
+	SYS___WRITEDOWN                     = 0x841
+	SYS_PTHREAD_MUTEX_INIT2             = 0x842
+	SYS___ACOSHF_B                      = 0x843
+	SYS___ACOSHL_B                      = 0x844
+	SYS___ASINHF_B                      = 0x845
+	SYS___ASINHL_B                      = 0x846
+	SYS___ATANHF_B                      = 0x847
+	SYS___ATANHL_B                      = 0x848
+	SYS___CBRTF_B                       = 0x849
+	SYS___EXP2F_B                       = 0x850
+	SYS___EXP2L_B                       = 0x851
+	SYS___EXPM1F_B                      = 0x852
+	SYS___EXPM1L_B                      = 0x853
+	SYS___FDIMF_B                       = 0x854
+	SYS___FDIM_B                        = 0x855
+	SYS___FDIML_B                       = 0x856
+	SYS___HYPOTF_B                      = 0x857
+	SYS___HYPOTL_B                      = 0x858
+	SYS___LOG1PF_B                      = 0x859
+	SYS___REMQUOF_B                     = 0x860
+	SYS___REMQUO_B                      = 0x861
+	SYS___REMQUOL_B                     = 0x862
+	SYS___TGAMMAF_B                     = 0x863
+	SYS___TGAMMA_B                      = 0x864
+	SYS___TGAMMAL_B                     = 0x865
+	SYS___TRUNCF_B                      = 0x866
+	SYS___TRUNC_B                       = 0x867
+	SYS___TRUNCL_B                      = 0x868
+	SYS___LGAMMAF_B                     = 0x869
+	SYS_ASINHF                          = 0x870
+	SYS_ASINHL                          = 0x871
+	SYS_ATANHF                          = 0x872
+	SYS_ATANHL                          = 0x873
+	SYS_CBRTF                           = 0x874
+	SYS_CBRTL                           = 0x875
+	SYS_COPYSIGNF                       = 0x876
+	SYS_CPYSIGNF                        = 0x876
+	SYS_COPYSIGNL                       = 0x877
+	SYS_CPYSIGNL                        = 0x877
+	SYS_COTANF                          = 0x878
+	SYS___COTANF                        = 0x878
+	SYS_COTAN                           = 0x879
+	SYS___COTAN                         = 0x879
+	SYS_FDIM                            = 0x881
+	SYS_FDIML                           = 0x882
+	SYS_HYPOTF                          = 0x883
+	SYS_HYPOTL                          = 0x884
+	SYS_LOG1PF                          = 0x885
+	SYS_LOG1PL                          = 0x886
+	SYS_LOG2F                           = 0x887
+	SYS_LOG2                            = 0x888
+	SYS_LOG2L                           = 0x889
+	SYS_TGAMMA                          = 0x890
+	SYS_TGAMMAL                         = 0x891
+	SYS_TRUNCF                          = 0x892
+	SYS_TRUNC                           = 0x893
+	SYS_TRUNCL                          = 0x894
+	SYS_LGAMMAF                         = 0x895
+	SYS_LGAMMAL                         = 0x896
+	SYS_LROUNDF                         = 0x897
+	SYS_LROUND                          = 0x898
+	SYS_ERFF                            = 0x899
+	SYS___COSHF_H                       = 0x900
+	SYS___COSHL_H                       = 0x901
+	SYS___COTAN_H                       = 0x902
+	SYS___COTANF_H                      = 0x903
+	SYS___COTANL_H                      = 0x904
+	SYS___ERF_H                         = 0x905
+	SYS___ERFF_H                        = 0x906
+	SYS___ERFL_H                        = 0x907
+	SYS___ERFC_H                        = 0x908
+	SYS___ERFCF_H                       = 0x909
+	SYS___FDIMF_H                       = 0x910
+	SYS___FDIML_H                       = 0x911
+	SYS___FMOD_H                        = 0x912
+	SYS___FMODF_H                       = 0x913
+	SYS___FMODL_H                       = 0x914
+	SYS___GAMMA_H                       = 0x915
+	SYS___HYPOT_H                       = 0x916
+	SYS___ILOGB_H                       = 0x917
+	SYS___LGAMMA_H                      = 0x918
+	SYS___LGAMMAF_H                     = 0x919
+	SYS___LOG2L_H                       = 0x920
+	SYS___LOG1P_H                       = 0x921
+	SYS___LOG10_H                       = 0x922
+	SYS___LOG10F_H                      = 0x923
+	SYS___LOG10L_H                      = 0x924
+	SYS___LROUND_H                      = 0x925
+	SYS___LROUNDF_H                     = 0x926
+	SYS___NEXTAFTER_H                   = 0x927
+	SYS___POW_H                         = 0x928
+	SYS___POWF_H                        = 0x929
+	SYS___SINL_H                        = 0x930
+	SYS___SINH_H                        = 0x931
+	SYS___SINHF_H                       = 0x932
+	SYS___SINHL_H                       = 0x933
+	SYS___SQRT_H                        = 0x934
+	SYS___SQRTF_H                       = 0x935
+	SYS___SQRTL_H                       = 0x936
+	SYS___TAN_H                         = 0x937
+	SYS___TANF_H                        = 0x938
+	SYS___TANL_H                        = 0x939
+	SYS___TRUNCF_H                      = 0x940
+	SYS___TRUNCL_H                      = 0x941
+	SYS___COSH_H                        = 0x942
+	SYS___LE_DEBUG_SET_RESUME_MCH       = 0x943
+	SYS_VFSCANF                         = 0x944
+	SYS_VSCANF                          = 0x946
+	SYS_VSSCANF                         = 0x948
+	SYS_IMAXABS                         = 0x950
+	SYS_IMAXDIV                         = 0x951
+	SYS_STRTOIMAX                       = 0x952
+	SYS_STRTOUMAX                       = 0x953
+	SYS_WCSTOIMAX                       = 0x954
+	SYS_WCSTOUMAX                       = 0x955
+	SYS_ATOLL                           = 0x956
+	SYS_STRTOF                          = 0x957
+	SYS_STRTOLD                         = 0x958
+	SYS_WCSTOF                          = 0x959
+	SYS_INET6_RTH_GETADDR               = 0x960
+	SYS_INET6_OPT_INIT                  = 0x961
+	SYS_INET6_OPT_APPEND                = 0x962
+	SYS_INET6_OPT_FINISH                = 0x963
+	SYS_INET6_OPT_SET_VAL               = 0x964
+	SYS_INET6_OPT_NEXT                  = 0x965
+	SYS_INET6_OPT_FIND                  = 0x966
+	SYS_INET6_OPT_GET_VAL               = 0x967
+	SYS___POW_I                         = 0x987
+	SYS___POW_I_B                       = 0x988
+	SYS___POW_I_H                       = 0x989
+	SYS___CABS_H                        = 0x990
+	SYS_CABSF                           = 0x991
+	SYS___CABSF_B                       = 0x992
+	SYS___CABSF_H                       = 0x993
+	SYS_CABSL                           = 0x994
+	SYS___CABSL_B                       = 0x995
+	SYS___CABSL_H                       = 0x996
+	SYS_CACOS                           = 0x997
+	SYS___CACOS_B                       = 0x998
+	SYS___CACOS_H                       = 0x999
+)
diff --git a/unix/ztypes_zos_s390x.go b/unix/ztypes_zos_s390x.go
new file mode 100644
index 0000000..8bffde7
--- /dev/null
+++ b/unix/ztypes_zos_s390x.go
@@ -0,0 +1,402 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+// Hand edited based on ztypes_linux_s390x.go
+// TODO: auto-generate.
+
+package unix
+
+const (
+	SizeofPtr      = 0x8
+	SizeofShort    = 0x2
+	SizeofInt      = 0x4
+	SizeofLong     = 0x8
+	SizeofLongLong = 0x8
+	PathMax        = 0x1000
+)
+
+const (
+	SizeofSockaddrAny   = 128
+	SizeofCmsghdr       = 12
+	SizeofIPMreq        = 8
+	SizeofIPv6Mreq      = 20
+	SizeofICMPv6Filter  = 32
+	SizeofIPv6MTUInfo   = 32
+	SizeofLinger        = 8
+	SizeofSockaddrInet4 = 16
+	SizeofSockaddrInet6 = 28
+	SizeofTCPInfo       = 0x68
+)
+
+type (
+	_C_short     int16
+	_C_int       int32
+	_C_long      int64
+	_C_long_long int64
+)
+
+type Timespec struct {
+	Sec  int64
+	Nsec int64
+}
+
+type Timeval struct {
+	Sec  int64
+	Usec int64
+}
+
+type timeval_zos struct { //correct (with padding and all)
+	Sec  int64
+	_    [4]byte // pad
+	Usec int32
+}
+
+type Tms struct { //clock_t is 4-byte unsigned int in zos
+	Utime  uint32
+	Stime  uint32
+	Cutime uint32
+	Cstime uint32
+}
+
+type Time_t int64
+
+type Utimbuf struct {
+	Actime  int64
+	Modtime int64
+}
+
+type Utsname struct {
+	Sysname    [65]byte
+	Nodename   [65]byte
+	Release    [65]byte
+	Version    [65]byte
+	Machine    [65]byte
+	Domainname [65]byte
+}
+
+type RawSockaddrInet4 struct {
+	Len    uint8
+	Family uint8
+	Port   uint16
+	Addr   [4]byte /* in_addr */
+	Zero   [8]uint8
+}
+
+type RawSockaddrInet6 struct {
+	Len      uint8
+	Family   uint8
+	Port     uint16
+	Flowinfo uint32
+	Addr     [16]byte /* in6_addr */
+	Scope_id uint32
+}
+
+type RawSockaddrUnix struct {
+	Len    uint8
+	Family uint8
+	Path   [108]int8
+}
+
+type RawSockaddr struct {
+	Len    uint8
+	Family uint8
+	Data   [14]uint8
+}
+
+type RawSockaddrAny struct {
+	Addr RawSockaddr
+	_    [112]uint8 // pad
+}
+
+type _Socklen uint32
+
+type Linger struct {
+	Onoff  int32
+	Linger int32
+}
+
+type Iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type IPMreq struct {
+	Multiaddr [4]byte /* in_addr */
+	Interface [4]byte /* in_addr */
+}
+
+type IPv6Mreq struct {
+	Multiaddr [16]byte /* in6_addr */
+	Interface uint32
+}
+
+type Msghdr struct {
+	Name       *byte
+	Iov        *Iovec
+	Control    *byte
+	Flags      int32
+	Namelen    int32
+	Iovlen     int32
+	Controllen int32
+}
+
+type Cmsghdr struct {
+	Len   int32
+	Level int32
+	Type  int32
+}
+
+type Inet4Pktinfo struct {
+	Addr    [4]byte /* in_addr */
+	Ifindex uint32
+}
+
+type Inet6Pktinfo struct {
+	Addr    [16]byte /* in6_addr */
+	Ifindex uint32
+}
+
+type IPv6MTUInfo struct {
+	Addr RawSockaddrInet6
+	Mtu  uint32
+}
+
+type ICMPv6Filter struct {
+	Data [8]uint32
+}
+
+type TCPInfo struct {
+	State          uint8
+	Ca_state       uint8
+	Retransmits    uint8
+	Probes         uint8
+	Backoff        uint8
+	Options        uint8
+	Rto            uint32
+	Ato            uint32
+	Snd_mss        uint32
+	Rcv_mss        uint32
+	Unacked        uint32
+	Sacked         uint32
+	Lost           uint32
+	Retrans        uint32
+	Fackets        uint32
+	Last_data_sent uint32
+	Last_ack_sent  uint32
+	Last_data_recv uint32
+	Last_ack_recv  uint32
+	Pmtu           uint32
+	Rcv_ssthresh   uint32
+	Rtt            uint32
+	Rttvar         uint32
+	Snd_ssthresh   uint32
+	Snd_cwnd       uint32
+	Advmss         uint32
+	Reordering     uint32
+	Rcv_rtt        uint32
+	Rcv_space      uint32
+	Total_retrans  uint32
+}
+
+type _Gid_t uint32
+
+type rusage_zos struct {
+	Utime timeval_zos
+	Stime timeval_zos
+}
+
+type Rusage struct {
+	Utime    Timeval
+	Stime    Timeval
+	Maxrss   int64
+	Ixrss    int64
+	Idrss    int64
+	Isrss    int64
+	Minflt   int64
+	Majflt   int64
+	Nswap    int64
+	Inblock  int64
+	Oublock  int64
+	Msgsnd   int64
+	Msgrcv   int64
+	Nsignals int64
+	Nvcsw    int64
+	Nivcsw   int64
+}
+
+type Rlimit struct {
+	Cur uint64
+	Max uint64
+}
+
+// { int, short, short } in poll.h
+type PollFd struct {
+	Fd      int32
+	Events  int16
+	Revents int16
+}
+
+type Stat_t struct { //Linux Definition
+	Dev     uint64
+	Ino     uint64
+	Nlink   uint64
+	Mode    uint32
+	Uid     uint32
+	Gid     uint32
+	_       int32
+	Rdev    uint64
+	Size    int64
+	Atim    Timespec
+	Mtim    Timespec
+	Ctim    Timespec
+	Blksize int64
+	Blocks  int64
+	_       [3]int64
+}
+
+type Stat_LE_t struct {
+	_            [4]byte // eye catcher
+	Length       uint16
+	Version      uint16
+	Mode         int32
+	Ino          uint32
+	Dev          uint32
+	Nlink        int32
+	Uid          int32
+	Gid          int32
+	Size         int64
+	Atim31       [4]byte
+	Mtim31       [4]byte
+	Ctim31       [4]byte
+	Rdev         uint32
+	Auditoraudit uint32
+	Useraudit    uint32
+	Blksize      int32
+	Creatim31    [4]byte
+	AuditID      [16]byte
+	_            [4]byte // rsrvd1
+	File_tag     struct {
+		Ccsid   uint16
+		Txtflag uint16 // aggregating Txflag:1 deferred:1 rsvflags:14
+	}
+	CharsetID [8]byte
+	Blocks    int64
+	Genvalue  uint32
+	Reftim31  [4]byte
+	Fid       [8]byte
+	Filefmt   byte
+	Fspflag2  byte
+	_         [2]byte // rsrvd2
+	Ctimemsec int32
+	Seclabel  [8]byte
+	_         [4]byte // rsrvd3
+	_         [4]byte // rsrvd4
+	Atim      Time_t
+	Mtim      Time_t
+	Ctim      Time_t
+	Creatim   Time_t
+	Reftim    Time_t
+	_         [24]byte // rsrvd5
+}
+
+type Statvfs_t struct {
+	ID          [4]byte
+	Len         int32
+	Bsize       uint64
+	Blocks      uint64
+	Usedspace   uint64
+	Bavail      uint64
+	Flag        uint64
+	Maxfilesize int64
+	_           [16]byte
+	Frsize      uint64
+	Bfree       uint64
+	Files       uint32
+	Ffree       uint32
+	Favail      uint32
+	Namemax31   uint32
+	Invarsec    uint32
+	_           [4]byte
+	Fsid        uint64
+	Namemax     uint64
+}
+
+type Statfs_t struct {
+	Type    uint32
+	Bsize   uint64
+	Blocks  uint64
+	Bfree   uint64
+	Bavail  uint64
+	Files   uint32
+	Ffree   uint32
+	Fsid    uint64
+	Namelen uint64
+	Frsize  uint64
+	Flags   uint64
+}
+
+type Dirent struct {
+	Reclen uint16
+	Namlen uint16
+	Ino    uint32
+	Extra  uintptr
+	Name   [256]byte
+}
+
+// This struct is packed on z/OS so it can't be used directly.
+type Flock_t struct {
+	Type   int16
+	Whence int16
+	Start  int64
+	Len    int64
+	Pid    int32
+}
+
+type Termios struct {
+	Cflag uint32
+	Iflag uint32
+	Lflag uint32
+	Oflag uint32
+	Cc    [11]uint8
+}
+
+type Winsize struct {
+	Row    uint16
+	Col    uint16
+	Xpixel uint16
+	Ypixel uint16
+}
+
+type W_Mnth struct {
+	Hid   [4]byte
+	Size  int32
+	Cur1  int32 //32bit pointer
+	Cur2  int32 //^
+	Devno uint32
+	_     [4]byte
+}
+
+type W_Mntent struct {
+	Fstype       uint32
+	Mode         uint32
+	Dev          uint32
+	Parentdev    uint32
+	Rootino      uint32
+	Status       byte
+	Ddname       [9]byte
+	Fstname      [9]byte
+	Fsname       [45]byte
+	Pathlen      uint32
+	Mountpoint   [1024]byte
+	Jobname      [8]byte
+	PID          int32
+	Parmoffset   int32
+	Parmlen      int16
+	Owner        [8]byte
+	Quiesceowner [8]byte
+	_            [38]byte
+}