|  | // Copyright 2010 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 net | 
|  |  | 
|  | import ( | 
|  | "context" | 
|  | "syscall" | 
|  | ) | 
|  |  | 
|  | func (c *IPConn) readFrom(b []byte) (int, *IPAddr, error) { | 
|  | return 0, nil, syscall.EPLAN9 | 
|  | } | 
|  |  | 
|  | func (c *IPConn) readMsg(b, oob []byte) (n, oobn, flags int, addr *IPAddr, err error) { | 
|  | return 0, 0, 0, nil, syscall.EPLAN9 | 
|  | } | 
|  |  | 
|  | func (c *IPConn) writeTo(b []byte, addr *IPAddr) (int, error) { | 
|  | return 0, syscall.EPLAN9 | 
|  | } | 
|  |  | 
|  | func (c *IPConn) writeMsg(b, oob []byte, addr *IPAddr) (n, oobn int, err error) { | 
|  | return 0, 0, syscall.EPLAN9 | 
|  | } | 
|  |  | 
|  | func (sd *sysDialer) dialIP(ctx context.Context, laddr, raddr *IPAddr) (*IPConn, error) { | 
|  | return nil, syscall.EPLAN9 | 
|  | } | 
|  |  | 
|  | func (sl *sysListener) listenIP(ctx context.Context, laddr *IPAddr) (*IPConn, error) { | 
|  | return nil, syscall.EPLAN9 | 
|  | } |