| 1 | /* Modified for emx by hv and em 1994,1996
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| 2 | * Modified for gcc/os2 by bird 2003
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| 3 | *
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| 4 | * Copyright (c) 1982, 1986, 1990 Regents of the University of California.
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| 5 | * All rights reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | * 1. Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * 3. All advertising materials mentioning features or use of this software
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| 16 | * must display the following acknowledgement:
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| 17 | * This product includes software developed by the University of
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| 18 | * California, Berkeley and its contributors.
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| 19 | * 4. Neither the name of the University nor the names of its contributors
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| 20 | * may be used to endorse or promote products derived from this software
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| 21 | * without specific prior written permission.
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| 22 | *
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| 23 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 33 | * SUCH DAMAGE.
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| 34 | *
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| 35 | * from: @(#)in.h 7.11 (Berkeley) 4/20/91
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| 36 | * $Id: in.h,v 1.8 1994/01/28 13:46:02 deraadt Exp $
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| 37 | */
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| 38 |
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| 39 | #ifndef _NETINET_IN_H_
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| 40 | #define _NETINET_IN_H_
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| 41 |
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| 42 | #ifndef _EMX_TCPIP
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| 43 | #define _EMX_TCPIP
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| 44 | #endif
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| 45 |
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| 46 | #include <sys/param.h> /* htons() etc. */
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| 47 |
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| 48 | #if defined (__cplusplus)
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| 49 | extern "C" {
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| 50 | #endif
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| 51 |
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| 52 | /*
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| 53 | * Constants and structures defined by the internet system,
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| 54 | * Per RFC 790, September 1981.
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| 55 | */
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| 56 |
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| 57 | /*
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| 58 | * Protocols
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| 59 | */
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| 60 | #define IPPROTO_IP 0 /* dummy for IP */
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| 61 | #define IPPROTO_ICMP 1 /* control message protocol */
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| 62 | #define IPPROTO_IGMP 2 /* group mgmt protocol */
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| 63 | #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
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| 64 | #define IPPROTO_TCP 6 /* tcp */
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| 65 | #define IPPROTO_EGP 8 /* exterior gateway protocol */
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| 66 | #define IPPROTO_PUP 12 /* pup */
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| 67 | #define IPPROTO_UDP 17 /* user datagram protocol */
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| 68 | #define IPPROTO_IDP 22 /* xns idp */
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| 69 | #ifndef TCPV40HDRS
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| 70 | #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */
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| 71 | #define IPPROTO_EON 80 /* ISO cnlp */
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| 72 | #define IPPROTO_ENCAP 98 /* encapsulation header */
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| 73 | #endif
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| 74 |
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| 75 | #define IPPROTO_RAW 255 /* raw IP packet */
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| 76 | #define IPPROTO_MAX 256
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| 77 |
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| 78 |
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| 79 | /*
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| 80 | * Local port number conventions:
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| 81 | * Ports < IPPORT_RESERVED are reserved for
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| 82 | * privileged processes (e.g. root).
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| 83 | * Ports > IPPORT_USERRESERVED are reserved
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| 84 | * for servers, not necessarily privileged.
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| 85 | */
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| 86 | #ifdef TCPV40HDRS
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| 87 | #define IPPORT_RESERVED 1024
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| 88 | #define IPPORT_USERRESERVED 5000
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| 89 | #else
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| 90 | /* Changing the ephemeral port #s as per Internet Assigned Numbers Authority's
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| 91 | * update as found in JUL '97. [Ref: http://www.isi.edu/div7/iana/descript/html] */
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| 92 | #define IPPORT_RESERVED 49152 /* Old 1024. Changed as per IANA draft */
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| 93 | #define IPPORT_USERRESERVED 65535 /* Old 5000. Changed as per IANA draft */
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| 94 | #endif
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| 95 |
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| 96 | #ifdef TCPV40HDRS
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| 97 | /*
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| 98 | * Link numbers
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| 99 | */
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| 100 | #define IMPLINK_IP 155
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| 101 | #define IMPLINK_LOWEXPER 156
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| 102 | #define IMPLINK_HIGHEXPER 158
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| 103 | #endif
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| 104 |
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| 105 | /*
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| 106 | * Internet address (a structure for historical reasons)
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| 107 | */
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| 108 | #ifndef _STRUCT_IN_ADDR_DECLARED
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| 109 | struct in_addr {
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| 110 | u_long s_addr;
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| 111 | };
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| 112 | #define _STRUCT_IN_ADDR_DECLARED
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| 113 | #endif
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| 114 |
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| 115 |
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| 116 | /*
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| 117 | * Definitions of bits in internet address integers.
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| 118 | * On subnets, the decomposition of addresses to host and net parts
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| 119 | * is done according to subnet mask, not the masks here.
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| 120 | */
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| 121 | #define IN_CLASSA(i) (((long)(i) & 0x80000000) == 0)
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| 122 | #define IN_CLASSA_NET 0xff000000
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| 123 | #define IN_CLASSA_NSHIFT 24
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| 124 | #define IN_CLASSA_HOST 0x00ffffff
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| 125 | #define IN_CLASSA_MAX 128
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| 126 |
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| 127 | #define IN_CLASSB(i) (((long)(i) & 0xc0000000) == 0x80000000)
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| 128 | #define IN_CLASSB_NET 0xffff0000
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| 129 | #define IN_CLASSB_NSHIFT 16
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| 130 | #define IN_CLASSB_HOST 0x0000ffff
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| 131 | #define IN_CLASSB_MAX 65536
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| 132 |
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| 133 | #define IN_CLASSC(i) (((long)(i) & 0xe0000000) == 0xc0000000)
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| 134 | #define IN_CLASSC_NET 0xffffff00
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| 135 | #define IN_CLASSC_NSHIFT 8
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| 136 | #define IN_CLASSC_HOST 0x000000ff
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| 137 |
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| 138 | #define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
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| 139 | #ifdef TCPV40HDRS
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| 140 | #define IN_CLASSD_NET 0xffffffff
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| 141 | #define IN_CLASSD_HOST 0
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| 142 | #else
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| 143 | #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */
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| 144 | #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */
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| 145 | #endif
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| 146 | #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */
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| 147 | #define IN_MULTICAST(i) IN_CLASSD(i)
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| 148 |
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| 149 | #ifdef TCPV40HDRS
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| 150 | #define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000) == 0xe0000000)
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| 151 | #else
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| 152 | #define IN_EXPERIMENTAL(i) (((long)(i) & 0xf0000000) == 0xe0000000)
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| 153 | #endif
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| 154 | #define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
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| 155 |
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| 156 | #define INADDR_ANY (u_long)0x00000000
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| 157 | #ifndef TCPV40HDRS
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| 158 | #define INADDR_LOOPBACK (u_long)0x7f000001
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| 159 | #endif
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| 160 | #define INADDR_BROADCAST (u_long)0xffffffff /* must be masked */
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| 161 |
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| 162 | #define INADDR_UNSPEC_GROUP (u_long)0xe0000000 /* 224.0.0.0 */
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| 163 | #define INADDR_ALLHOSTS_GROUP (u_long)0xe0000001 /* 224.0.0.1 */
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| 164 | #define INADDR_MAX_LOCAL_GROUP (u_long)0xe00000ff /* 224.0.0.255 */
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| 165 |
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| 166 | #ifndef KERNEL
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| 167 | #define INADDR_NONE 0xffffffff /* -1 return */
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| 168 | #endif
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| 169 |
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| 170 | #define IN_LOOPBACKNET 127 /* official! */
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| 171 |
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| 172 |
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| 173 | /*
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| 174 | * Socket address, internet style. 4.3BSD
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| 175 | */
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| 176 | #ifdef TCPV40HDRS
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| 177 | struct sockaddr_in {
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| 178 | short sin_family;
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| 179 | u_short sin_port;
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| 180 | struct in_addr sin_addr;
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| 181 | char sin_zero[8];
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| 182 | };
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| 183 | #else
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| 184 | #pragma pack(1)
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| 185 | struct sockaddr_in {
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| 186 | u_char sin_len;
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| 187 | u_char sin_family;
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| 188 | u_short sin_port;
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| 189 | struct in_addr sin_addr;
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| 190 | char sin_zero[8];
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| 191 | };
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| 192 | #pragma pack()
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| 193 | #endif
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| 194 |
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| 195 | /*
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| 196 | * Structure used to describe IP options.
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| 197 | * Used to store options internally, to pass them to a process,
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| 198 | * or to restore options retrieved earlier.
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| 199 | * The ip_dst is used for the first-hop gateway when using a source route
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| 200 | * (this gets put into the header proper).
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| 201 | */
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| 202 | #ifndef TCPV40HDRS
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| 203 | #pragma pack(1)
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| 204 | #endif
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| 205 | struct ip_opts {
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| 206 | struct in_addr ip_dst; /* first hop, 0 w/o src rt */
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| 207 | char ip_opts[40]; /* actually variable in size */
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| 208 | };
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| 209 | #ifndef TCPV40HDRS
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| 210 | #pragma pack()
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| 211 | #endif
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| 212 |
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| 213 | /*
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| 214 | * Options for use with [gs]etsockopt at the IP level.
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| 215 | * First word of comment is data type; bool is stored in int.
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| 216 | */
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| 217 | #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */
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| 218 | #define IP_MULTICAST_IF 2 /* u_char; set/get IP mcast i/f */
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| 219 | #define IP_MULTICAST_TTL 3 /* u_char; set/get IP mcast ttl */
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| 220 | #define IP_MULTICAST_LOOP 4 /* u_char; set/get IP mcast loopback */
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| 221 | #define IP_ADD_MEMBERSHIP 5 /* ip_mreq; add IP group membership */
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| 222 | #define IP_DROP_MEMBERSHIP 6 /* ip_mreq; drop IP group membership */
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| 223 | #ifndef TCPV40HDRS
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| 224 | #define IP_HDRINCL 7 /* int; header is included with data */
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| 225 | #define IP_TOS 8 /* int; IP type of service and preced. */
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| 226 | #define IP_TTL 9 /* int; IP time to live */
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| 227 | #define IP_RECVOPTS 10 /* bool; receive all IP opts w/dgram */
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| 228 | #define IP_RECVRETOPTS 11 /* bool; receive IP opts for response */
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| 229 | #define IP_RECVDSTADDR 12 /* bool; receive IP dst addr w/dgram */
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| 230 | #define IP_RETOPTS 13 /* ip_opts; set/get IP options */
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| 231 | #define IP_RECVTRRI 14 /* bool; receive token ring routing inf */
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| 232 | #endif
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| 233 |
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| 234 | /*
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| 235 | * Defaults and limits for options
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| 236 | */
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| 237 | #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */
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| 238 | #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
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| 239 | #define IP_MAX_MEMBERSHIPS 20 /* per socket; must fit in one mbuf */
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| 240 | #ifndef TCPV40HDRS
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| 241 | #define MAX_IN_MULTI 16*IP_MAX_MEMBERSHIPS /* 320 max per os2 */
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| 242 | extern u_short CntInMulti;
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| 243 | #endif
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| 244 |
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| 245 | /*
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| 246 | * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
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| 247 | */
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| 248 | #ifndef TCPV40HDRS
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| 249 | #pragma pack(1)
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| 250 | #endif
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| 251 | struct ip_mreq {
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| 252 | struct in_addr imr_multiaddr; /* IP multicast address of group */
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| 253 | struct in_addr imr_interface; /* local IP address of interface */
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| 254 | };
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| 255 | #ifndef TCPV40HDRS
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| 256 | #pragma pack()
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| 257 | #endif
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| 258 |
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| 259 | #ifdef TCPV40HDRS
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| 260 | /* for functions */
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| 261 | #include <arpa/inet.h>
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| 262 |
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| 263 | #else
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| 264 |
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| 265 | /*
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| 266 | * Definitions for inet sysctl operations.
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| 267 | *
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| 268 | * Third level is protocol number.
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| 269 | * Fourth level is desired variable within that protocol.
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| 270 | */
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| 271 | #define IPPROTO_MAXID (IPPROTO_IDP + 1) /* don't list to IPPROTO_MAX */
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| 272 |
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| 273 | #define CTL_IPPROTO_NAMES { \
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| 274 | { "ip", CTLTYPE_NODE }, \
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| 275 | { "icmp", CTLTYPE_NODE }, \
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| 276 | { "igmp", CTLTYPE_NODE }, \
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| 277 | { "ggp", CTLTYPE_NODE }, \
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| 278 | { 0, 0 }, \
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| 279 | { 0, 0 }, \
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| 280 | { "tcp", CTLTYPE_NODE }, \
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| 281 | { 0, 0 }, \
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| 282 | { "egp", CTLTYPE_NODE }, \
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| 283 | { 0, 0 }, \
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| 284 | { 0, 0 }, \
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| 285 | { 0, 0 }, \
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| 286 | { "pup", CTLTYPE_NODE }, \
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| 287 | { 0, 0 }, \
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| 288 | { 0, 0 }, \
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| 289 | { 0, 0 }, \
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| 290 | { 0, 0 }, \
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| 291 | { "udp", CTLTYPE_NODE }, \
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| 292 | { 0, 0 }, \
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| 293 | { 0, 0 }, \
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| 294 | { 0, 0 }, \
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| 295 | { 0, 0 }, \
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| 296 | { "idp", CTLTYPE_NODE }, \
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| 297 | }
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| 298 | #endif /*TCPV40HDRS (else) */
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| 299 |
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| 300 | #if defined (__cplusplus)
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| 301 | }
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| 302 | #endif
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| 303 |
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| 304 | #endif /* !_NETINET_IN_H_ */
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