diff --git a/internal/socket/zsys_darwin_386.go b/internal/socket/zsys_darwin_386.go
index 9c96042..083bda5 100644
--- a/internal/socket/zsys_darwin_386.go
+++ b/internal/socket/zsys_darwin_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package socket
diff --git a/internal/socket/zsys_darwin_amd64.go b/internal/socket/zsys_darwin_amd64.go
index 3564171..55c6c9f 100644
--- a/internal/socket/zsys_darwin_amd64.go
+++ b/internal/socket/zsys_darwin_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package socket
diff --git a/internal/socket/zsys_darwin_arm.go b/internal/socket/zsys_darwin_arm.go
index 9c96042..083bda5 100644
--- a/internal/socket/zsys_darwin_arm.go
+++ b/internal/socket/zsys_darwin_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package socket
diff --git a/internal/socket/zsys_darwin_arm64.go b/internal/socket/zsys_darwin_arm64.go
index 3564171..55c6c9f 100644
--- a/internal/socket/zsys_darwin_arm64.go
+++ b/internal/socket/zsys_darwin_arm64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package socket
diff --git a/internal/socket/zsys_dragonfly_amd64.go b/internal/socket/zsys_dragonfly_amd64.go
index 90a57f5..8b7d161 100644
--- a/internal/socket/zsys_dragonfly_amd64.go
+++ b/internal/socket/zsys_dragonfly_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_dragonfly.go
 
 package socket
diff --git a/internal/socket/zsys_freebsd_386.go b/internal/socket/zsys_freebsd_386.go
index e5bc557..3e71ff5 100644
--- a/internal/socket/zsys_freebsd_386.go
+++ b/internal/socket/zsys_freebsd_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package socket
diff --git a/internal/socket/zsys_freebsd_amd64.go b/internal/socket/zsys_freebsd_amd64.go
index cbf85af..238d90d 100644
--- a/internal/socket/zsys_freebsd_amd64.go
+++ b/internal/socket/zsys_freebsd_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package socket
diff --git a/internal/socket/zsys_freebsd_arm.go b/internal/socket/zsys_freebsd_arm.go
index e5bc557..3e71ff5 100644
--- a/internal/socket/zsys_freebsd_arm.go
+++ b/internal/socket/zsys_freebsd_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package socket
diff --git a/internal/socket/zsys_linux_386.go b/internal/socket/zsys_linux_386.go
index b7db0f0..72d8b25 100644
--- a/internal/socket/zsys_linux_386.go
+++ b/internal/socket/zsys_linux_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_amd64.go b/internal/socket/zsys_linux_amd64.go
index 87a4e0b..3545319 100644
--- a/internal/socket/zsys_linux_amd64.go
+++ b/internal/socket/zsys_linux_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_arm.go b/internal/socket/zsys_linux_arm.go
index b7db0f0..72d8b25 100644
--- a/internal/socket/zsys_linux_arm.go
+++ b/internal/socket/zsys_linux_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_arm64.go b/internal/socket/zsys_linux_arm64.go
index 87a4e0b..3545319 100644
--- a/internal/socket/zsys_linux_arm64.go
+++ b/internal/socket/zsys_linux_arm64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_mips.go b/internal/socket/zsys_linux_mips.go
index b7db0f0..72d8b25 100644
--- a/internal/socket/zsys_linux_mips.go
+++ b/internal/socket/zsys_linux_mips.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_mips64.go b/internal/socket/zsys_linux_mips64.go
index 87a4e0b..3545319 100644
--- a/internal/socket/zsys_linux_mips64.go
+++ b/internal/socket/zsys_linux_mips64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_mips64le.go b/internal/socket/zsys_linux_mips64le.go
index 87a4e0b..3545319 100644
--- a/internal/socket/zsys_linux_mips64le.go
+++ b/internal/socket/zsys_linux_mips64le.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_mipsle.go b/internal/socket/zsys_linux_mipsle.go
index b7db0f0..72d8b25 100644
--- a/internal/socket/zsys_linux_mipsle.go
+++ b/internal/socket/zsys_linux_mipsle.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_ppc64.go b/internal/socket/zsys_linux_ppc64.go
index 87a4e0b..3545319 100644
--- a/internal/socket/zsys_linux_ppc64.go
+++ b/internal/socket/zsys_linux_ppc64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_ppc64le.go b/internal/socket/zsys_linux_ppc64le.go
index 87a4e0b..3545319 100644
--- a/internal/socket/zsys_linux_ppc64le.go
+++ b/internal/socket/zsys_linux_ppc64le.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_linux_s390x.go b/internal/socket/zsys_linux_s390x.go
index 87a4e0b..3545319 100644
--- a/internal/socket/zsys_linux_s390x.go
+++ b/internal/socket/zsys_linux_s390x.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
diff --git a/internal/socket/zsys_netbsd_386.go b/internal/socket/zsys_netbsd_386.go
index cd32844..bf8f47c 100644
--- a/internal/socket/zsys_netbsd_386.go
+++ b/internal/socket/zsys_netbsd_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package socket
diff --git a/internal/socket/zsys_netbsd_amd64.go b/internal/socket/zsys_netbsd_amd64.go
index fa88b66..a46eff9 100644
--- a/internal/socket/zsys_netbsd_amd64.go
+++ b/internal/socket/zsys_netbsd_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package socket
diff --git a/internal/socket/zsys_netbsd_arm.go b/internal/socket/zsys_netbsd_arm.go
index cd32844..bf8f47c 100644
--- a/internal/socket/zsys_netbsd_arm.go
+++ b/internal/socket/zsys_netbsd_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package socket
diff --git a/internal/socket/zsys_openbsd_386.go b/internal/socket/zsys_openbsd_386.go
index 64e2ea8..73655a1 100644
--- a/internal/socket/zsys_openbsd_386.go
+++ b/internal/socket/zsys_openbsd_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package socket
diff --git a/internal/socket/zsys_openbsd_amd64.go b/internal/socket/zsys_openbsd_amd64.go
index 13554be..0a4de80 100644
--- a/internal/socket/zsys_openbsd_amd64.go
+++ b/internal/socket/zsys_openbsd_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package socket
diff --git a/internal/socket/zsys_openbsd_arm.go b/internal/socket/zsys_openbsd_arm.go
index 64e2ea8..73655a1 100644
--- a/internal/socket/zsys_openbsd_arm.go
+++ b/internal/socket/zsys_openbsd_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package socket
diff --git a/internal/socket/zsys_solaris_amd64.go b/internal/socket/zsys_solaris_amd64.go
index a27d73c..353cd5f 100644
--- a/internal/socket/zsys_solaris_amd64.go
+++ b/internal/socket/zsys_solaris_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_solaris.go
 
 package socket
diff --git a/ipv4/zsys_darwin.go b/ipv4/zsys_darwin.go
index c07cc88..e05a251 100644
--- a/ipv4/zsys_darwin.go
+++ b/ipv4/zsys_darwin.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package ipv4
diff --git a/ipv4/zsys_dragonfly.go b/ipv4/zsys_dragonfly.go
index c4365e9..6d65e9f 100644
--- a/ipv4/zsys_dragonfly.go
+++ b/ipv4/zsys_dragonfly.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_dragonfly.go
 
 package ipv4
diff --git a/ipv4/zsys_freebsd_386.go b/ipv4/zsys_freebsd_386.go
index 8c4aec9..136e2b8 100644
--- a/ipv4/zsys_freebsd_386.go
+++ b/ipv4/zsys_freebsd_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package ipv4
diff --git a/ipv4/zsys_freebsd_amd64.go b/ipv4/zsys_freebsd_amd64.go
index 4b10b7c..4f730f1 100644
--- a/ipv4/zsys_freebsd_amd64.go
+++ b/ipv4/zsys_freebsd_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package ipv4
diff --git a/ipv4/zsys_freebsd_arm.go b/ipv4/zsys_freebsd_arm.go
index 4b10b7c..4f730f1 100644
--- a/ipv4/zsys_freebsd_arm.go
+++ b/ipv4/zsys_freebsd_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_386.go b/ipv4/zsys_linux_386.go
index c0260f0..43ef8e5 100644
--- a/ipv4/zsys_linux_386.go
+++ b/ipv4/zsys_linux_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_amd64.go b/ipv4/zsys_linux_amd64.go
index 9c967ea..ee8204d 100644
--- a/ipv4/zsys_linux_amd64.go
+++ b/ipv4/zsys_linux_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_arm.go b/ipv4/zsys_linux_arm.go
index c0260f0..43ef8e5 100644
--- a/ipv4/zsys_linux_arm.go
+++ b/ipv4/zsys_linux_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_arm64.go b/ipv4/zsys_linux_arm64.go
index 9c967ea..ee8204d 100644
--- a/ipv4/zsys_linux_arm64.go
+++ b/ipv4/zsys_linux_arm64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_mips.go b/ipv4/zsys_linux_mips.go
index c0260f0..43ef8e5 100644
--- a/ipv4/zsys_linux_mips.go
+++ b/ipv4/zsys_linux_mips.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_mips64.go b/ipv4/zsys_linux_mips64.go
index 9c967ea..ee8204d 100644
--- a/ipv4/zsys_linux_mips64.go
+++ b/ipv4/zsys_linux_mips64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_mips64le.go b/ipv4/zsys_linux_mips64le.go
index 9c967ea..ee8204d 100644
--- a/ipv4/zsys_linux_mips64le.go
+++ b/ipv4/zsys_linux_mips64le.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_mipsle.go b/ipv4/zsys_linux_mipsle.go
index c0260f0..43ef8e5 100644
--- a/ipv4/zsys_linux_mipsle.go
+++ b/ipv4/zsys_linux_mipsle.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_ppc.go b/ipv4/zsys_linux_ppc.go
index f65bd9a..fa1b6bc 100644
--- a/ipv4/zsys_linux_ppc.go
+++ b/ipv4/zsys_linux_ppc.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_ppc64.go b/ipv4/zsys_linux_ppc64.go
index 9c967ea..ee8204d 100644
--- a/ipv4/zsys_linux_ppc64.go
+++ b/ipv4/zsys_linux_ppc64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_ppc64le.go b/ipv4/zsys_linux_ppc64le.go
index 9c967ea..ee8204d 100644
--- a/ipv4/zsys_linux_ppc64le.go
+++ b/ipv4/zsys_linux_ppc64le.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_linux_s390x.go b/ipv4/zsys_linux_s390x.go
index 9c967ea..ee8204d 100644
--- a/ipv4/zsys_linux_s390x.go
+++ b/ipv4/zsys_linux_s390x.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv4
diff --git a/ipv4/zsys_netbsd.go b/ipv4/zsys_netbsd.go
index fd3624d..8cfc648 100644
--- a/ipv4/zsys_netbsd.go
+++ b/ipv4/zsys_netbsd.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package ipv4
diff --git a/ipv4/zsys_openbsd.go b/ipv4/zsys_openbsd.go
index 12f36be..37629cb 100644
--- a/ipv4/zsys_openbsd.go
+++ b/ipv4/zsys_openbsd.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package ipv4
diff --git a/ipv4/zsys_solaris.go b/ipv4/zsys_solaris.go
index 0a3875c..cb80a30 100644
--- a/ipv4/zsys_solaris.go
+++ b/ipv4/zsys_solaris.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_solaris.go
 
 package ipv4
diff --git a/ipv6/zsys_darwin.go b/ipv6/zsys_darwin.go
index 6aab1df..555744a 100644
--- a/ipv6/zsys_darwin.go
+++ b/ipv6/zsys_darwin.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package ipv6
diff --git a/ipv6/zsys_dragonfly.go b/ipv6/zsys_dragonfly.go
index d2de804..cf3cc10 100644
--- a/ipv6/zsys_dragonfly.go
+++ b/ipv6/zsys_dragonfly.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_dragonfly.go
 
 package ipv6
diff --git a/ipv6/zsys_freebsd_386.go b/ipv6/zsys_freebsd_386.go
index 919e572..73f31b2 100644
--- a/ipv6/zsys_freebsd_386.go
+++ b/ipv6/zsys_freebsd_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package ipv6
diff --git a/ipv6/zsys_freebsd_amd64.go b/ipv6/zsys_freebsd_amd64.go
index cb8141f..490ce7c 100644
--- a/ipv6/zsys_freebsd_amd64.go
+++ b/ipv6/zsys_freebsd_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package ipv6
diff --git a/ipv6/zsys_freebsd_arm.go b/ipv6/zsys_freebsd_arm.go
index cb8141f..490ce7c 100644
--- a/ipv6/zsys_freebsd_arm.go
+++ b/ipv6/zsys_freebsd_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_386.go b/ipv6/zsys_linux_386.go
index 73aa8c6..14155de 100644
--- a/ipv6/zsys_linux_386.go
+++ b/ipv6/zsys_linux_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_amd64.go b/ipv6/zsys_linux_amd64.go
index b64f015..9566d76 100644
--- a/ipv6/zsys_linux_amd64.go
+++ b/ipv6/zsys_linux_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_arm.go b/ipv6/zsys_linux_arm.go
index 73aa8c6..14155de 100644
--- a/ipv6/zsys_linux_arm.go
+++ b/ipv6/zsys_linux_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_arm64.go b/ipv6/zsys_linux_arm64.go
index b64f015..9566d76 100644
--- a/ipv6/zsys_linux_arm64.go
+++ b/ipv6/zsys_linux_arm64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_mips.go b/ipv6/zsys_linux_mips.go
index 73aa8c6..14155de 100644
--- a/ipv6/zsys_linux_mips.go
+++ b/ipv6/zsys_linux_mips.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_mips64.go b/ipv6/zsys_linux_mips64.go
index b64f015..9566d76 100644
--- a/ipv6/zsys_linux_mips64.go
+++ b/ipv6/zsys_linux_mips64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_mips64le.go b/ipv6/zsys_linux_mips64le.go
index b64f015..9566d76 100644
--- a/ipv6/zsys_linux_mips64le.go
+++ b/ipv6/zsys_linux_mips64le.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_mipsle.go b/ipv6/zsys_linux_mipsle.go
index 73aa8c6..14155de 100644
--- a/ipv6/zsys_linux_mipsle.go
+++ b/ipv6/zsys_linux_mipsle.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_ppc.go b/ipv6/zsys_linux_ppc.go
index c9bf6a8..a51e142 100644
--- a/ipv6/zsys_linux_ppc.go
+++ b/ipv6/zsys_linux_ppc.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_ppc64.go b/ipv6/zsys_linux_ppc64.go
index b64f015..9566d76 100644
--- a/ipv6/zsys_linux_ppc64.go
+++ b/ipv6/zsys_linux_ppc64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_ppc64le.go b/ipv6/zsys_linux_ppc64le.go
index b64f015..9566d76 100644
--- a/ipv6/zsys_linux_ppc64le.go
+++ b/ipv6/zsys_linux_ppc64le.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_linux_s390x.go b/ipv6/zsys_linux_s390x.go
index b64f015..9566d76 100644
--- a/ipv6/zsys_linux_s390x.go
+++ b/ipv6/zsys_linux_s390x.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package ipv6
diff --git a/ipv6/zsys_netbsd.go b/ipv6/zsys_netbsd.go
index bcada13..e39571e 100644
--- a/ipv6/zsys_netbsd.go
+++ b/ipv6/zsys_netbsd.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package ipv6
diff --git a/ipv6/zsys_openbsd.go b/ipv6/zsys_openbsd.go
index 86cf3c6..cc1899a 100644
--- a/ipv6/zsys_openbsd.go
+++ b/ipv6/zsys_openbsd.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package ipv6
diff --git a/ipv6/zsys_solaris.go b/ipv6/zsys_solaris.go
index cf1837d..690eef9 100644
--- a/ipv6/zsys_solaris.go
+++ b/ipv6/zsys_solaris.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_solaris.go
 
 package ipv6
diff --git a/lif/zsys_solaris_amd64.go b/lif/zsys_solaris_amd64.go
index b5e999b..d7a70d4 100644
--- a/lif/zsys_solaris_amd64.go
+++ b/lif/zsys_solaris_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_solaris.go
 
 package lif
diff --git a/route/zsys_darwin.go b/route/zsys_darwin.go
index 4e2e1ab..19e4133 100644
--- a/route/zsys_darwin.go
+++ b/route/zsys_darwin.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package route
diff --git a/route/zsys_dragonfly.go b/route/zsys_dragonfly.go
index 719c88d..8ed2d4d 100644
--- a/route/zsys_dragonfly.go
+++ b/route/zsys_dragonfly.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_dragonfly.go
 
 package route
diff --git a/route/zsys_freebsd_386.go b/route/zsys_freebsd_386.go
index b03bc01..f36aaad 100644
--- a/route/zsys_freebsd_386.go
+++ b/route/zsys_freebsd_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package route
diff --git a/route/zsys_freebsd_amd64.go b/route/zsys_freebsd_amd64.go
index 0b675b3..4c639b8 100644
--- a/route/zsys_freebsd_amd64.go
+++ b/route/zsys_freebsd_amd64.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package route
diff --git a/route/zsys_freebsd_arm.go b/route/zsys_freebsd_arm.go
index 58f8ea1..710c147 100644
--- a/route/zsys_freebsd_arm.go
+++ b/route/zsys_freebsd_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package route
diff --git a/route/zsys_netbsd.go b/route/zsys_netbsd.go
index e0df45e..b4f66ca 100644
--- a/route/zsys_netbsd.go
+++ b/route/zsys_netbsd.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package route
diff --git a/route/zsys_openbsd.go b/route/zsys_openbsd.go
index db8c8ef..1021b4c 100644
--- a/route/zsys_openbsd.go
+++ b/route/zsys_openbsd.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package route