| // Copyright 2011 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 nacl | 
 |  | 
 | package net | 
 |  | 
 | import ( | 
 | 	"context" | 
 | 	"syscall" | 
 | ) | 
 |  | 
 | func lookupProtocol(ctx context.Context, name string) (proto int, err error) { | 
 | 	return 0, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupHost(ctx context.Context, host string) (addrs []string, err error) { | 
 | 	return nil, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupIP(ctx context.Context, host string) (addrs []IPAddr, err error) { | 
 | 	return nil, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupPort(ctx context.Context, network, service string) (port int, err error) { | 
 | 	return 0, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupCNAME(ctx context.Context, name string) (cname string, err error) { | 
 | 	return "", syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupSRV(ctx context.Context, service, proto, name string) (cname string, srvs []*SRV, err error) { | 
 | 	return "", nil, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupMX(ctx context.Context, name string) (mxs []*MX, err error) { | 
 | 	return nil, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupNS(ctx context.Context, name string) (nss []*NS, err error) { | 
 | 	return nil, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupTXT(ctx context.Context, name string) (txts []string, err error) { | 
 | 	return nil, syscall.ENOPROTOOPT | 
 | } | 
 |  | 
 | func lookupAddr(ctx context.Context, addr string) (ptrs []string, err error) { | 
 | 	return nil, syscall.ENOPROTOOPT | 
 | } |