1/*	$NetBSD: ns.h,v 1.18 2005/12/11 00:03:31 elad Exp $	*/
2
3/*
4 * Copyright (c) 1984, 1985, 1986, 1987, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)ns.h	8.1 (Berkeley) 6/10/93
32 */
33
34#ifndef _NETNS_NS_H_
35#define _NETNS_NS_H_
36
37/*
38 * NS addressing
39 */
40union ns_host {
41	u_int8_t	c_host[6];
42	u_int16_t	s_host[3];
43};
44
45union ns_net {
46	u_int8_t	c_net[4];
47	u_int16_t	s_net[2];
48};
49
50union ns_net_u {
51	union ns_net	net_e;
52	u_int32_t	long_e;
53};
54
55struct ns_addr {
56	union ns_net	x_net;
57	union ns_host	x_host;
58	u_int16_t	x_port;
59};
60
61__BEGIN_DECLS
62extern struct ns_addr ns_addr __P((const char *));
63extern char *ns_ntoa __P((struct ns_addr));
64__END_DECLS
65
66#endif /* !_NETNS_NS_H_ */
67