1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 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. 16 * 17 * @(#)in_systm.h 7.3 (Berkeley) 06/29/88 18 */ 19 20 /* 21 * Miscellaneous internetwork 22 * definitions for kernel. 23 */ 24 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 */ 33 typedef u_short n_short; /* short as received from the net */ 34 typedef u_long n_long; /* long as received from the net */ 35 36 typedef u_long n_time; /* ms since 00:00 GMT, byte rev */ 37 38 #ifdef KERNEL 39 n_time iptime(); 40 #endif 41