date and time created 88/12/14 15:29:27 by sklower
[unix-history] / usr / src / sys / netinet / in_systm.h
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8ae0e4b4 1/*
0880b18e 2 * Copyright (c) 1982, 1986 Regents of the University of California.
2b6b6284 3 * All rights reserved.
8ae0e4b4 4 *
2b6b6284 5 * Redistribution and use in source and binary forms are permitted
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6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * advertising materials, and other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
2b6b6284 16 *
616d42db 17 * @(#)in_systm.h 7.3 (Berkeley) %G%
8ae0e4b4 18 */
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19
20/*
21 * Miscellaneous internetwork
22 * definitions for kernel.
23 */
24
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25/*
26 * Network types.
27 *
28 * Internally the system keeps counters in the headers with the bytes
29 * swapped so that VAX instructions will work on them. It reverses
30 * the bytes before transmission at each protocol level. The n_ types
31 * represent the types with the bytes in ``high-ender'' order.
32 */
33typedef u_short n_short; /* short as received from the net */
34typedef u_long n_long; /* long as received from the net */
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35
36typedef u_long n_time; /* ms since 00:00 GMT, byte rev */
37
9c8692e9 38#ifdef KERNEL
2b4b57cd 39n_time iptime();
8e112dd4 40#endif