StdLib/Include/netinet/in_systm.h

   1 /*
   2  * Copyright (c) 1982, 1986, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)in_systm.h  8.1 (Berkeley) 6/10/93
  34  * $Id: in_systm.h,v 1.1.1.1 2006/05/30 06:12:48 hhzhou Exp $
  35  */
  36
  37 #ifndef _NETINET_IN_SYSTM_H_
  38 #define _NETINET_IN_SYSTM_H_
  39
  40 /*
  41  * Miscellaneous internetwork
  42  * definitions for kernel.
  43  */
  44
  45 /*
  46  * Network types.
  47  *
  48  * Internally the system keeps counters in the headers with the bytes
  49  * swapped so that VAX instructions will work on them.  It reverses
  50  * the bytes before transmission at each protocol level.  The n_ types
  51  * represent the types with the bytes in ``high-ender'' order.
  52  */
  53 typedef u_int16_t n_short;              /* short as received from the net */
  54 typedef u_int32_t n_long;               /* long as received from the net */
  55
  56 typedef u_int32_t n_time;               /* ms since 00:00 GMT, byte rev */
  57
  58 #ifdef KERNEL
  59 n_time   iptime __P((void));
  60 #endif
  61
  62 #endif