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Annotation of embedaddon/dhcp/includes/netinet/udp.h, revision 1.1.1.1

1.1       misho       1: /*     $NetBSD: udp.h,v 1.6 1995/04/13 06:37:10 cgd Exp $      */
                      2: 
                      3: /*
                      4:  * Copyright (c) 1982, 1986, 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by the University of
                     18:  *     California, Berkeley and its contributors.
                     19:  * 4. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  *
                     35:  *     @(#)udp.h       8.1 (Berkeley) 6/10/93
                     36:  */
                     37: 
                     38: /*
                     39:  * Portions Copyright (c) 2004,2009
                     40:  * by Internet Systems Consortium, Inc. ("ISC")
                     41:  * Portions Copyright (c) 2000-2003 by Internet Software Consortium
                     42:  *
                     43:  * Permission to use, copy, modify, and distribute this software for any
                     44:  * purpose with or without fee is hereby granted, provided that the above
                     45:  * copyright notice and this permission notice appear in all copies.
                     46:  *
                     47:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
                     48:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     49:  * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
                     50:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     51:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     52:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
                     53:  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     54:  *
                     55:  *   Internet Systems Consortium, Inc.
                     56:  *   950 Charter Street
                     57:  *   Redwood City, CA 94063
                     58:  *   <info@isc.org>
                     59:  *   https://www.isc.org/
                     60:  */
                     61: 
                     62: /*
                     63:  * Udp protocol header.
                     64:  * Per RFC 768, September, 1981.
                     65:  */
                     66: struct udphdr {
                     67:        u_int16_t uh_sport;             /* source port */
                     68:        u_int16_t uh_dport;             /* destination port */
                     69:        u_int16_t uh_ulen;              /* udp length */
                     70:        u_int16_t uh_sum;               /* udp checksum */
                     71: };