// Copyright 2017 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.// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solarispackagesockettypemsghdrstruct{}func(h*msghdr)pack(vs[]iovec,bs[][]byte,oob[]byte,sa[]byte){}func(h*msghdr)name()[]byte{returnnil}func(h*msghdr)controllen()int{return0}func(h*msghdr)flags()int{return0}