| 1 | /** @file
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| 2 |
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| 3 | Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
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| 4 | This program and the accompanying materials
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| 5 | are licensed and made available under the terms and conditions of the BSD License
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| 6 | which accompanies this distribution. The full text of the license may be found at
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| 7 | http://opensource.org/licenses/bsd-license.php
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| 8 |
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| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 11 |
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| 12 | * Copyright (c) 1980, 1983, 1988, 1993
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| 13 | * The Regents of the University of California. All rights reserved.
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| 14 | *
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| 15 | * Redistribution and use in source and binary forms, with or without
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| 16 | * modification, are permitted provided that the following conditions
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| 17 | * are met:
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| 18 | * 1. Redistributions of source code must retain the above copyright
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| 19 | * notice, this list of conditions and the following disclaimer.
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| 20 | * 2. Redistributions in binary form must reproduce the above copyright
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| 21 | * notice, this list of conditions and the following disclaimer in the
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| 22 | * documentation and/or other materials provided with the distribution.
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| 23 | * 3. Neither the name of the University nor the names of its contributors
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| 24 | * may be used to endorse or promote products derived from this software
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| 25 | * without specific prior written permission.
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| 26 | *
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| 27 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 30 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 35 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 36 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 37 | * SUCH DAMAGE.
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| 38 | * -
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| 39 | * Portions Copyright (c) 1993 by Digital Equipment Corporation.
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| 40 | *
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| 41 | * Permission to use, copy, modify, and distribute this software for any
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| 42 | * purpose with or without fee is hereby granted, provided that the above
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| 43 | * copyright notice and this permission notice appear in all copies, and that
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| 44 | * the name of Digital Equipment Corporation not be used in advertising or
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| 45 | * publicity pertaining to distribution of the document or software without
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| 46 | * specific, written prior permission.
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| 47 | *
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| 48 | * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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| 49 | * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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| 50 | * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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| 51 | * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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| 52 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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| 53 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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| 54 | * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 55 | * SOFTWARE.
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| 56 | * -
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| 57 | * Portions Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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| 58 | * All rights reserved.
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| 59 | *
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| 60 | * Redistribution and use in source and binary forms, with or without
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| 61 | * modification, are permitted provided that the following conditions
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| 62 | * are met:
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| 63 | * 1. Redistributions of source code must retain the above copyright
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| 64 | * notice, this list of conditions and the following disclaimer.
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| 65 | * 2. Redistributions in binary form must reproduce the above copyright
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| 66 | * notice, this list of conditions and the following disclaimer in the
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| 67 | * documentation and/or other materials provided with the distribution.
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| 68 | * 3. All advertising materials mentioning features or use of this software
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| 69 | * must display the following acknowledgement:
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| 70 | * This product includes software developed by WIDE Project and
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| 71 | * its contributors.
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| 72 | * 4. Neither the name of the project nor the names of its contributors
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| 73 | * may be used to endorse or promote products derived from this software
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| 74 | * without specific prior written permission.
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| 75 | *
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| 76 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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| 77 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 78 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 79 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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| 80 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 81 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 82 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 83 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 84 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 85 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 86 | * SUCH DAMAGE.
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| 87 | * -
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| 88 | * @(#)netdb.h 8.1 (Berkeley) 6/2/93
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| 89 | * netdb.h,v 1.15.18.6 2006/10/02 01:23:09 marka Exp
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| 90 | * netdb.h,v 1.55.2.1 2007/05/17 21:25:10 jdc Exp
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| 91 | */
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| 92 | #ifndef _NETDB_H_
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| 93 | #define _NETDB_H_
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| 94 |
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| 95 | #include <machine/ansi.h>
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| 96 | #include <machine/endian_machdep.h>
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| 97 | #include <sys/ansi.h>
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| 98 | #include <sys/cdefs.h>
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| 99 | #include <sys/featuretest.h>
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| 100 | #include <inttypes.h>
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| 101 | #include <paths.h>
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| 102 |
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| 103 | /* Data types */
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| 104 | #ifndef socklen_t
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| 105 | typedef __socklen_t socklen_t;
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| 106 | #define socklen_t __socklen_t
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| 107 | #endif
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| 108 |
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| 109 | #ifdef _EFI_SIZE_T_
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| 110 | typedef _EFI_SIZE_T_ size_t;
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| 111 | #undef _EFI_SIZE_T_
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| 112 | #undef _BSD_SIZE_T_
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| 113 | #endif
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| 114 |
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| 115 | __BEGIN_DECLS
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| 116 | extern int h_errno;
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| 117 | __END_DECLS
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| 118 |
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| 119 | /** Structures returned by network data base library. All addresses are
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| 120 | * supplied in host order, and returned in network order (suitable for
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| 121 | * use in system calls).
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| 122 | */
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| 123 | struct hostent {
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| 124 | char *h_name; /**< official name of host */
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| 125 | char **h_aliases; /**< alias list */
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| 126 | int h_addrtype; /**< host address type */
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| 127 | int h_length; /**< length of address */
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| 128 | char **h_addr_list; /**< list of addresses from name server */
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| 129 | };
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| 130 | #define h_addr h_addr_list[0] /**< address, for backward compatiblity */
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| 131 |
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| 132 | /** Assumption here is that a network number
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| 133 | * fits in an unsigned long -- probably a poor one.
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| 134 | */
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| 135 | struct netent {
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| 136 | char *n_name; /**< official name of net */
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| 137 | char **n_aliases; /**< alias list */
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| 138 | int n_addrtype; /**< net address type */
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| 139 | uint32_t n_net; /**< network # */
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| 140 | #if defined(__alpha__) || (defined(__i386__) && defined(_LP64)) || \
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| 141 | (defined(__sh__) && defined(_LP64) && (_BYTE_ORDER == _LITTLE_ENDIAN))
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| 142 | int __n_pad0; /* ABI compatibility */
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| 143 | #endif
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| 144 | };
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| 145 |
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| 146 | struct servent {
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| 147 | char *s_name; /**< official service name */
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| 148 | char **s_aliases; /**< alias list */
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| 149 | int s_port; /**< port # */
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| 150 | char *s_proto; /**< protocol to use */
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| 151 | };
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| 152 |
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| 153 | struct protoent {
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| 154 | char *p_name; /**< official protocol name */
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| 155 | char **p_aliases; /**< alias list */
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| 156 | int p_proto; /**< protocol # */
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| 157 | };
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| 158 |
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| 159 | /* Note: ai_addrlen used to be a size_t, per RFC 2553.
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| 160 | * In XNS5.2, and subsequently in POSIX-2001 and
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| 161 | * draft-ietf-ipngwg-rfc2553bis-02.txt it was changed to a socklen_t.
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| 162 | * To accommodate for this while preserving binary compatibility with the
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| 163 | * old interface, we prepend or append 32 bits of padding, depending on
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| 164 | * the (LP64) architecture's endianness.
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| 165 | *
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| 166 | * This should be deleted the next time the libc major number is
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| 167 | * incremented.
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| 168 | */
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| 169 | struct addrinfo {
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| 170 | int ai_flags; /**< AI_PASSIVE, AI_CANONNAME */
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| 171 | int ai_family; /**< PF_xxx */
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| 172 | int ai_socktype; /**< SOCK_xxx */
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| 173 | int ai_protocol; /**< 0 or IPPROTO_xxx for IPv4 and IPv6 */
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| 174 | socklen_t ai_addrlen; /**< length of ai_addr */
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| 175 | #if defined(__alpha__) || (defined(__i386__) && defined(_LP64))
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| 176 | int __ai_pad0; /* ABI compatibility */
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| 177 | #endif
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| 178 | char *ai_canonname; /**< canonical name for hostname */
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| 179 | struct sockaddr *ai_addr; /**< binary address */
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| 180 | struct addrinfo *ai_next; /**< next structure in linked list */
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| 181 | };
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| 182 |
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| 183 | /* Error return codes from gethostbyname() and gethostbyaddr()
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| 184 | * (left in extern int h_errno).
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| 185 | */
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| 186 |
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| 187 | #define NETDB_INTERNAL -1 /**< see errno */
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| 188 | #define NETDB_SUCCESS 0 /**< no problem */
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| 189 | #define NO_ADDRESS NO_DATA /* no address, look for MX record */
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| 190 | #define HOST_NOT_FOUND 1 /**< Authoritative Answer Host not found */
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| 191 | #define TRY_AGAIN 2 /**< Non-Authoritive Host not found, or SERVERFAIL */
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| 192 | #define NO_RECOVERY 3 /**< Non recoverable errors, FORMERR, REFUSED, NOTIMP */
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| 193 | #define NO_DATA 4 /**< Valid name, no data record of requested type */
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| 194 |
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| 195 | /* Error return codes from getaddrinfo() */
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| 196 | #define EAI_ADDRFAMILY 1 /**< address family for hostname not supported */
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| 197 | #define EAI_AGAIN 2 /**< temporary failure in name resolution */
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| 198 | #define EAI_BADFLAGS 3 /**< invalid value for ai_flags */
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| 199 | #define EAI_FAIL 4 /**< non-recoverable failure in name resolution */
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| 200 | #define EAI_FAMILY 5 /**< ai_family not supported */
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| 201 | #define EAI_MEMORY 6 /**< memory allocation failure */
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| 202 | #define EAI_NODATA 7 /**< no address associated with hostname */
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| 203 | #define EAI_NONAME 8 /**< hostname nor servname provided, or not known */
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| 204 | #define EAI_SERVICE 9 /**< servname not supported for ai_socktype */
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| 205 | #define EAI_SOCKTYPE 10 /**< ai_socktype not supported */
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| 206 | #define EAI_SYSTEM 11 /**< system error returned in errno */
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| 207 | #define EAI_BADHINTS 12 /**< invalid value for hints */
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| 208 | #define EAI_PROTOCOL 13 /**< resolved protocol is unknown */
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| 209 | #define EAI_OVERFLOW 14 /**< argument buffer overflow */
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| 210 | #define EAI_MAX 15
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| 211 |
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| 212 | /* Flag values for getaddrinfo() */
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| 213 | #define AI_PASSIVE 0x00000001 /* get address to use bind() */
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| 214 | #define AI_CANONNAME 0x00000002 /* fill ai_canonname */
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| 215 |
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| 216 | #define AI_NUMERICHOST 0x00000004 /* prevent host name resolution */
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| 217 | #define AI_NUMERICSERV 0x00000008 /* prevent service name resolution */
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| 218 | /* valid flags for addrinfo (not a standard def, apps should not use it) */
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| 219 | #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV)
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| 220 |
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| 221 | /* Constants for getnameinfo() */
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| 222 | #define NI_MAXHOST 1025
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| 223 | #define NI_MAXSERV 32
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| 224 |
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| 225 | /* Flag values for getnameinfo() */
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| 226 | #define NI_NOFQDN 0x00000001
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| 227 | #define NI_NUMERICHOST 0x00000002
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| 228 | #define NI_NAMEREQD 0x00000004
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| 229 | #define NI_NUMERICSERV 0x00000008
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| 230 | #define NI_DGRAM 0x00000010
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| 231 | #define NI_NUMERICSCOPE 0x00000040
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| 232 |
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| 233 | /** Scope delimit character */
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| 234 | #define SCOPE_DELIMITER '%'
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| 235 |
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| 236 | __BEGIN_DECLS
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| 237 | void endhostent (void);
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| 238 | void endnetent (void);
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| 239 | void endprotoent (void);
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| 240 | void endservent (void);
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| 241 | struct hostent *gethostbyaddr (const char *, socklen_t, int);
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| 242 | struct hostent *gethostbyname (const char *);
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| 243 | struct hostent *gethostbyname2 (const char *, int);
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| 244 | struct hostent *gethostent (void);
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| 245 | struct netent *getnetbyaddr (uint32_t, int);
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| 246 | struct netent *getnetbyname (const char *);
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| 247 | struct netent *getnetent (void);
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| 248 | struct protoent *getprotobyname (const char *);
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| 249 | struct protoent *getprotobynumber(int);
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| 250 | struct protoent *getprotoent (void);
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| 251 | struct servent *getservbyname (const char *, const char *);
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| 252 | struct servent *getservbyport (int, const char *);
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| 253 | struct servent *getservent (void);
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| 254 | void sethostent (int);
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| 255 | void setnetent (int);
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| 256 | void setprotoent (int);
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| 257 | void setservent (int);
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| 258 | int getaddrinfo ( const char * __restrict, const char * __restrict,
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| 259 | const struct addrinfo * __restrict,
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| 260 | struct addrinfo ** __restrict);
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| 261 | int getnameinfo ( const struct sockaddr * __restrict, socklen_t,
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| 262 | char * __restrict, socklen_t,
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| 263 | char * __restrict, socklen_t, int);
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| 264 | void freeaddrinfo (struct addrinfo *);
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| 265 | const char *gai_strerror (int);
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| 266 | void setservent (int);
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| 267 |
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| 268 | __END_DECLS
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| 269 |
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| 270 | #endif /* !_NETDB_H_ */
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