// Copyright 2012 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.
package ipv4
import "golang.org/x/net/internal/socket"
func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error {
// TODO(mikio): implement this
return errNotImplemented
}