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01: /* Copyright (C) 1991-1993,1995-1997,2004,2009 Free Software Foundation, Inc.
02:    This file is part of the GNU C Library.
03: 
04:    The GNU C Library is free software; you can redistribute it and/or
05:    modify it under the terms of the GNU Lesser General Public
06:    License as published by the Free Software Foundation; either
07:    version 2.1 of the License, or (at your option) any later version.
08: 
09:    The GNU C Library is distributed in the hope that it will be useful,
10:    but WITHOUT ANY WARRANTY; without even the implied warranty of
11:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12:    Lesser General Public License for more details.
13: 
14:    You should have received a copy of the GNU Lesser General Public
15:    License along with the GNU C Library; if not, write to the Free
16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17:    02111-1307 USA.  */
18: 
19: /*
20:  * Copyright (C) 1982, 1986 Regents of the University of California.
21:  * All rights reserved.
22:  *
23:  * Redistribution and use in source and binary forms, with or without
24:  * modification, are permitted provided that the following conditions
25:  * are met:
26:  * 1. Redistributions of source code must retain the above copyright
27:  *    notice, this list of conditions and the following disclaimer.
28:  * 2. Redistributions in binary form must reproduce the above copyright
29:  *    notice, this list of conditions and the following disclaimer in the
30:  *    documentation and/or other materials provided with the distribution.
31:  * 4. Neither the name of the University nor the names of its contributors
32:  *    may be used to endorse or promote products derived from this software
33:  *    without specific prior written permission.
34:  *
35:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
36:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
38:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
39:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
40:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
41:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
43:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
44:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
45:  * SUCH DAMAGE.
46:  */
47: 
48: #ifndef __NETINET_UDP_H
49: #define __NETINET_UDP_H    1
50: 
51: #include <features.h>
52: #include <sys/types.h>
53: 
54: 
55: /* UDP header as specified by RFC 768, August 1980. */
56: #ifdef __FAVOR_BSD
57: 
58: struct udphdr
59: {
60:   u_int16_t uh_sport;           /* source port */
61:   u_int16_t uh_dport;           /* destination port */
62:   u_int16_t uh_ulen;            /* udp length */
63:   u_int16_t uh_sum;             /* udp checksum */
64: };
65: 
66: #else
67: 
68: struct udphdr
69: {
70:   u_int16_t source;
71:   u_int16_t dest;
72:   u_int16_t len;
73:   u_int16_t check;
74: };
75: #endif
76: 
77: /* UDP socket options */
78: #define UDP_CORK        1       /* Never send partially complete segments.  */
79: #define UDP_ENCAP       100     /* Set the socket to accept
80:                                    encapsulated packets.  */
81: 
82: /* UDP encapsulation types */
83: #define UDP_ENCAP_ESPINUDP_NON_IKE 1    /* draft-ietf-ipsec-nat-t-ike-00/01 */
84: #define UDP_ENCAP_ESPINUDP      2       /* draft-ietf-ipsec-udp-encaps-06 */
85: #define UDP_ENCAP_L2TPINUDP     3       /* rfc2661 */
86: 
87: #define SOL_UDP            17      /* sockopt level for UDP */
88: 
89: #endif /* netinet/udp.h */
90: 

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