diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index eecb58d..4714691 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -1892,17 +1892,28 @@
 	return int(ret), nil
 }
 
-// issue 1435.
-// On linux Setuid and Setgid only affects the current thread, not the process.
-// This does not match what most callers expect so we must return an error
-// here rather than letting the caller think that the call succeeded.
-
 func Setuid(uid int) (err error) {
-	return EOPNOTSUPP
+	return syscall.Setuid(uid)
 }
 
-func Setgid(uid int) (err error) {
-	return EOPNOTSUPP
+func Setgid(gid int) (err error) {
+	return syscall.Setgid(gid)
+}
+
+func Setreuid(ruid, euid int) (err error) {
+	return syscall.Setreuid(ruid, euid)
+}
+
+func Setregid(rgid, egid int) (err error) {
+	return syscall.Setregid(rgid, egid)
+}
+
+func Setresuid(ruid, euid, suid int) (err error) {
+	return syscall.Setresuid(ruid, euid, suid)
+}
+
+func Setresgid(rgid, egid, sgid int) (err error) {
+	return syscall.Setresgid(rgid, egid, sgid)
 }
 
 // SetfsgidRetGid sets fsgid for current thread and returns previous fsgid set.
diff --git a/unix/syscall_linux_386.go b/unix/syscall_linux_386.go
index 518e476..ff5b589 100644
--- a/unix/syscall_linux_386.go
+++ b/unix/syscall_linux_386.go
@@ -41,10 +41,6 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	setfsgid(gid int) (prev int, err error) = SYS_SETFSGID32
 //sys	setfsuid(uid int) (prev int, err error) = SYS_SETFSUID32
-//sysnb	Setregid(rgid int, egid int) (err error) = SYS_SETREGID32
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32
-//sysnb	Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
diff --git a/unix/syscall_linux_amd64.go b/unix/syscall_linux_amd64.go
index f5e9d6b..9b27035 100644
--- a/unix/syscall_linux_amd64.go
+++ b/unix/syscall_linux_amd64.go
@@ -46,11 +46,7 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 
diff --git a/unix/syscall_linux_arm.go b/unix/syscall_linux_arm.go
index c1a7778..856ad1d 100644
--- a/unix/syscall_linux_arm.go
+++ b/unix/syscall_linux_arm.go
@@ -62,10 +62,6 @@
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	setfsgid(gid int) (prev int, err error) = SYS_SETFSGID32
 //sys	setfsuid(uid int) (prev int, err error) = SYS_SETFSUID32
-//sysnb	Setregid(rgid int, egid int) (err error) = SYS_SETREGID32
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32
-//sysnb	Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
diff --git a/unix/syscall_linux_arm64.go b/unix/syscall_linux_arm64.go
index d83e2c6..6422704 100644
--- a/unix/syscall_linux_arm64.go
+++ b/unix/syscall_linux_arm64.go
@@ -39,11 +39,7 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 //sysnb	setrlimit(resource int, rlim *Rlimit) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 
diff --git a/unix/syscall_linux_loong64.go b/unix/syscall_linux_loong64.go
index 0b69c3e..59dab51 100644
--- a/unix/syscall_linux_loong64.go
+++ b/unix/syscall_linux_loong64.go
@@ -34,10 +34,6 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 
diff --git a/unix/syscall_linux_mips64x.go b/unix/syscall_linux_mips64x.go
index 98a2660..bfef09a 100644
--- a/unix/syscall_linux_mips64x.go
+++ b/unix/syscall_linux_mips64x.go
@@ -37,11 +37,7 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 //sys	Statfs(path string, buf *Statfs_t) (err error)
diff --git a/unix/syscall_linux_mipsx.go b/unix/syscall_linux_mipsx.go
index b8a18c0..ab30250 100644
--- a/unix/syscall_linux_mipsx.go
+++ b/unix/syscall_linux_mipsx.go
@@ -32,10 +32,6 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
diff --git a/unix/syscall_linux_ppc.go b/unix/syscall_linux_ppc.go
index 4ed9e67..eac1cf1 100644
--- a/unix/syscall_linux_ppc.go
+++ b/unix/syscall_linux_ppc.go
@@ -34,10 +34,6 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
diff --git a/unix/syscall_linux_ppc64x.go b/unix/syscall_linux_ppc64x.go
index db63d38..4df5661 100644
--- a/unix/syscall_linux_ppc64x.go
+++ b/unix/syscall_linux_ppc64x.go
@@ -34,11 +34,7 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
diff --git a/unix/syscall_linux_riscv64.go b/unix/syscall_linux_riscv64.go
index 925a748..5f4243d 100644
--- a/unix/syscall_linux_riscv64.go
+++ b/unix/syscall_linux_riscv64.go
@@ -38,11 +38,7 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 
diff --git a/unix/syscall_linux_s390x.go b/unix/syscall_linux_s390x.go
index 6fcf277..d0a7d40 100644
--- a/unix/syscall_linux_s390x.go
+++ b/unix/syscall_linux_s390x.go
@@ -34,11 +34,7 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Statfs(path string, buf *Statfs_t) (err error)
diff --git a/unix/syscall_linux_sparc64.go b/unix/syscall_linux_sparc64.go
index 02a45d9..f5c793b 100644
--- a/unix/syscall_linux_sparc64.go
+++ b/unix/syscall_linux_sparc64.go
@@ -31,11 +31,7 @@
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 //sys	setfsgid(gid int) (prev int, err error)
 //sys	setfsuid(uid int) (prev int, err error)
-//sysnb	Setregid(rgid int, egid int) (err error)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
-//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
-//sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go
index 88af526..c81b0ad 100644
--- a/unix/zsyscall_linux_386.go
+++ b/unix/zsyscall_linux_386.go
@@ -287,46 +287,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREGID32, 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID32, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID32, uintptr(ruid), uintptr(euid), uintptr(suid))
-	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 := RawSyscall(SYS_SETREUID32, 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 Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) {
 	r0, _, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags))
 	n = int(r0)
diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go
index 2a0c4aa..2206bce 100644
--- a/unix/zsyscall_linux_amd64.go
+++ b/unix/zsyscall_linux_amd64.go
@@ -334,36 +334,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -374,16 +344,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go
index 4882bde..edf6b39 100644
--- a/unix/zsyscall_linux_arm.go
+++ b/unix/zsyscall_linux_arm.go
@@ -412,46 +412,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETREGID32, 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID32, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID32, uintptr(ruid), uintptr(euid), uintptr(suid))
-	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 := RawSyscall(SYS_SETREUID32, 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_arm64.go b/unix/zsyscall_linux_arm64.go
index 9f8c24e..190609f 100644
--- a/unix/zsyscall_linux_arm64.go
+++ b/unix/zsyscall_linux_arm64.go
@@ -289,36 +289,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -329,16 +299,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_loong64.go b/unix/zsyscall_linux_loong64.go
index 523f2ba..806ffd1 100644
--- a/unix/zsyscall_linux_loong64.go
+++ b/unix/zsyscall_linux_loong64.go
@@ -223,46 +223,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	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 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mips.go b/unix/zsyscall_linux_mips.go
index d7d6f42..5f984cb 100644
--- a/unix/zsyscall_linux_mips.go
+++ b/unix/zsyscall_linux_mips.go
@@ -248,46 +248,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	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 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mips64.go b/unix/zsyscall_linux_mips64.go
index 7f1f8e6..46fc380 100644
--- a/unix/zsyscall_linux_mips64.go
+++ b/unix/zsyscall_linux_mips64.go
@@ -278,36 +278,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -318,16 +288,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mips64le.go b/unix/zsyscall_linux_mips64le.go
index f933d0f..cbd0d4d 100644
--- a/unix/zsyscall_linux_mips64le.go
+++ b/unix/zsyscall_linux_mips64le.go
@@ -278,36 +278,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -318,16 +288,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mipsle.go b/unix/zsyscall_linux_mipsle.go
index 297d0a9..0c13d15 100644
--- a/unix/zsyscall_linux_mipsle.go
+++ b/unix/zsyscall_linux_mipsle.go
@@ -248,46 +248,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	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 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_ppc.go b/unix/zsyscall_linux_ppc.go
index 2e32e7a..e01432a 100644
--- a/unix/zsyscall_linux_ppc.go
+++ b/unix/zsyscall_linux_ppc.go
@@ -308,46 +308,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	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 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go
index 3c53170..13c7ee7 100644
--- a/unix/zsyscall_linux_ppc64.go
+++ b/unix/zsyscall_linux_ppc64.go
@@ -349,36 +349,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -389,16 +359,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go
index a00c674..02d0c0f 100644
--- a/unix/zsyscall_linux_ppc64le.go
+++ b/unix/zsyscall_linux_ppc64le.go
@@ -349,36 +349,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -389,16 +359,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_riscv64.go b/unix/zsyscall_linux_riscv64.go
index 1239cc2..9fee3b1 100644
--- a/unix/zsyscall_linux_riscv64.go
+++ b/unix/zsyscall_linux_riscv64.go
@@ -269,36 +269,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -309,16 +279,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_s390x.go b/unix/zsyscall_linux_s390x.go
index e0dabc6..647bbfe 100644
--- a/unix/zsyscall_linux_s390x.go
+++ b/unix/zsyscall_linux_s390x.go
@@ -319,36 +319,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -359,16 +329,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {
 	r0, _, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags))
 	n = int64(r0)
diff --git a/unix/zsyscall_linux_sparc64.go b/unix/zsyscall_linux_sparc64.go
index 368623c..ada057f 100644
--- a/unix/zsyscall_linux_sparc64.go
+++ b/unix/zsyscall_linux_sparc64.go
@@ -329,36 +329,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setregid(rgid int, egid int) (err error) {
-	_, _, e1 := 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 Setresgid(rgid int, egid int, sgid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Setresuid(ruid int, euid int, suid int) (err error) {
-	_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Setrlimit(resource int, rlim *Rlimit) (err error) {
 	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
 	if e1 != 0 {
@@ -369,16 +339,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setreuid(ruid int, euid int) (err error) {
-	_, _, e1 := 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 Shutdown(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {