4.3BSD - /usr/src/sys/netinet/in_systm.h

   1: /*
   2:  * Copyright (c) 1982, 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)in_systm.h	7.1 (Berkeley) 6/5/86
   7:  */
   8: 
   9: /*
  10:  * Miscellaneous internetwork
  11:  * definitions for kernel.
  12:  */
  13: 
  14: /*
  15:  * Network types.
  16:  *
  17:  * Internally the system keeps counters in the headers with the bytes
  18:  * swapped so that VAX instructions will work on them.  It reverses
  19:  * the bytes before transmission at each protocol level.  The n_ types
  20:  * represent the types with the bytes in ``high-ender'' order.
  21:  */
  22: typedef u_short n_short;        /* short as received from the net */
  23: typedef u_long  n_long;         /* long as received from the net */
  24: 
  25: typedef u_long  n_time;         /* ms since 00:00 GMT, byte rev */
  26: 
  27: #ifdef KERNEL
  28: n_time  iptime();
  29: #endif

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