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 63
