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IGMP.H
Package: Nwpro.rar [view]
Upload User: tjbfgc
Upload Date: 2013-03-31
Package Size: 140k
Code Size: 3k
Category:
WinSock-NDIS
Development Platform:
C/C++
- /*
- * Copyright (c) 1988 Stephen Deering.
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Stephen Deering of Stanford University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)igmp.h 8.1 (Berkeley) 6/10/93
- */
- /* Internet Group Management Protocol (IGMP) definitions. */
- /*
- * IGMP packet format.
- */
- struct igmp {
- u_char igmp_type; /* version & type of IGMP message */
- u_char igmp_code; /* unused, should be zero */
- u_short igmp_cksum; /* IP-style checksum */
- struct in_addr igmp_group; /* group address being reported */
- }; /* (zero for queries) */
- #define IGMP_MINLEN 8
- #define IGMP_HOST_MEMBERSHIP_QUERY 0x11 /* message types, incl. version */
- #define IGMP_HOST_MEMBERSHIP_REPORT 0x12
- #define IGMP_DVMRP 0x13 /* for experimental multicast */
- /* routing protocol */
- #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */