1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)in_systm.h 7.5 (Berkeley) 06/04/93 8 */ 9 10 /* 11 * Miscellaneous internetwork 12 * definitions for kernel. 13 */ 14 15 /* 16 * Network types. 17 * 18 * Internally the system keeps counters in the headers with the bytes 19 * swapped so that VAX instructions will work on them. It reverses 20 * the bytes before transmission at each protocol level. The n_ types 21 * represent the types with the bytes in ``high-ender'' order. 22 */ 23 typedef u_short n_short; /* short as received from the net */ 24 typedef u_long n_long; /* long as received from the net */ 25 26 typedef u_long n_time; /* ms since 00:00 GMT, byte rev */ 27 28 #ifdef KERNEL 29 n_time iptime __P((void)); 30 #endif 31