// 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.

//go:build aix || darwin || dragonfly || freebsd || openbsd
// +build aix darwin dragonfly freebsd openbsd

package socket

func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
	return 0, errNotImplemented
}

func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
	return 0, errNotImplemented
}
