xref: /openbsd/sys/netinet/in_systm.h (revision db3296cf)
1 /*	$OpenBSD: in_systm.h,v 1.5 2003/06/02 23:28:14 millert Exp $	*/
2 /*	$NetBSD: in_systm.h,v 1.8 1995/04/13 06:29:22 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1982, 1986, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)in_systm.h	8.1 (Berkeley) 6/10/93
33  */
34 
35 #ifndef _NETINET_IN_SYSTM_H_
36 #define _NETINET_IN_SYSTM_H_
37 
38 /*
39  * Miscellaneous internetwork
40  * definitions for kernel.
41  */
42 
43 /*
44  * Network types.
45  *
46  * Internally the system keeps counters in the headers with the bytes
47  * swapped so that VAX instructions will work on them.  It reverses
48  * the bytes before transmission at each protocol level.  The n_ types
49  * represent the types with the bytes in ``high-ender'' order.
50  */
51 typedef u_int16_t n_short;		/* short as received from the net */
52 typedef u_int32_t n_long;		/* long as received from the net */
53 
54 typedef u_int32_t n_time;		/* ms since 00:00 GMT, byte rev */
55 
56 #ifdef _KERNEL
57 n_time	 iptime(void);
58 #endif /* _KERNEL */
59 #endif /* _NETINET_IN_SYSTM_H_ */
60 
61