2 * Copyright (c) 1982, 1986, 1993
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15 * This product includes software developed by the University of
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33 * @(#)in_systm.h 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: src/sys/netinet/in_systm.h,v 1.9 1999/12/29 04:41:00 peter Exp $
35 * $DragonFly: src/sys/netinet/in_systm.h,v 1.4 2006/05/20 02:42:12 dillon Exp $
38 #ifndef _NETINET_IN_SYSTM_H_
39 #define _NETINET_IN_SYSTM_H_
42 #include <sys/types.h>
46 * Miscellaneous internetwork
47 * definitions for kernel.
53 * Internally the system keeps counters in the headers with the bytes
54 * swapped so that VAX instructions will work on them. It reverses
55 * the bytes before transmission at each protocol level. The n_ types
56 * represent the types with the bytes in ``high-ender'' order.
58 typedef u_int16_t n_short; /* short as received from the net */
59 typedef u_int32_t n_long; /* long as received from the net */
61 typedef u_int32_t n_time; /* ms since 00:00 GMT, byte rev */