493 lines
16 KiB
C
493 lines
16 KiB
C
/* $NetBSD: netdb.h,v 1.4 2002/06/20 11:43:01 itojun Exp $ */
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/*
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* ++Copyright++ 1980, 1983, 1988, 1993
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* -
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* Copyright (c) 1980, 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* -
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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* -
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* Portions Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by WIDE Project and
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* its contributors.
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* 4. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* -
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* --Copyright--
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*/
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/*
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* @(#)netdb.h 8.1 (Berkeley) 6/2/93
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* Id: netdb.h,v 8.17 2001/06/18 14:43:48 marka Exp
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*/
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#ifndef _NETDB_H_
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#define _NETDB_H_
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#include <sys/param.h>
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#include <sys/types.h>
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#if (!defined(BSD)) || (BSD < 199306)
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# include <sys/bitypes.h>
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#endif
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#include <sys/cdefs.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#ifndef _PATH_HEQUIV
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#define _PATH_HEQUIV "/etc/hosts.equiv"
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#endif
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#ifndef _PATH_HOSTS
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#define _PATH_HOSTS "/etc/hosts"
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#endif
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#ifndef _PATH_NETWORKS
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#define _PATH_NETWORKS "/etc/networks"
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#endif
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#ifndef _PATH_PROTOCOLS
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#define _PATH_PROTOCOLS "/etc/protocols"
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#endif
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#ifndef _PATH_SERVICES
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#define _PATH_SERVICES "/etc/services"
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#endif
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__BEGIN_DECLS
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extern int * __h_errno __P((void));
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__END_DECLS
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#ifdef _REENTRANT
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#define h_errno (*__h_errno())
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#else
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extern int h_errno;
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#endif
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/*
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* Structures returned by network data base library. All addresses are
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* supplied in host order, and returned in network order (suitable for
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* use in system calls).
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*/
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struct hostent {
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char *h_name; /* official name of host */
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char **h_aliases; /* alias list */
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int h_addrtype; /* host address type */
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int h_length; /* length of address */
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char **h_addr_list; /* list of addresses from name server */
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#define h_addr h_addr_list[0] /* address, for backward compatiblity */
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};
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/*
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* Assumption here is that a network number
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* fits in an unsigned long -- probably a poor one.
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*/
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struct netent {
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char *n_name; /* official name of net */
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char **n_aliases; /* alias list */
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int n_addrtype; /* net address type */
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unsigned long n_net; /* network # */
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};
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struct servent {
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char *s_name; /* official service name */
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char **s_aliases; /* alias list */
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int s_port; /* port # */
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char *s_proto; /* protocol to use */
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};
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struct protoent {
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char *p_name; /* official protocol name */
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char **p_aliases; /* alias list */
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int p_proto; /* protocol # */
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};
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struct addrinfo {
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int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
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int ai_family; /* PF_xxx */
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int ai_socktype; /* SOCK_xxx */
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int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
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size_t ai_addrlen; /* length of ai_addr */
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char *ai_canonname; /* canonical name for hostname */
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struct sockaddr *ai_addr; /* binary address */
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struct addrinfo *ai_next; /* next structure in linked list */
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};
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/*
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* Error return codes from gethostbyname() and gethostbyaddr()
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* (left in extern int h_errno).
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*/
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#define NETDB_INTERNAL -1 /* see errno */
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#define NETDB_SUCCESS 0 /* no problem */
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#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
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#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
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#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
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#define NO_DATA 4 /* Valid name, no data record of requested type */
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#define NO_ADDRESS NO_DATA /* no address, look for MX record */
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/*
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* Error return codes from getaddrinfo()
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*/
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#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
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#define EAI_AGAIN 2 /* temporary failure in name resolution */
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#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
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#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
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#define EAI_FAMILY 5 /* ai_family not supported */
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#define EAI_MEMORY 6 /* memory allocation failure */
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#define EAI_NODATA 7 /* no address associated with hostname */
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#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
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#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
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#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
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#define EAI_SYSTEM 11 /* system error returned in errno */
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#define EAI_BADHINTS 12
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#define EAI_PROTOCOL 13
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#define EAI_MAX 14
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/*
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* Flag values for getaddrinfo()
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*/
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#define AI_PASSIVE 0x00000001
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#define AI_CANONNAME 0x00000002
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#define AI_NUMERICHOST 0x00000004
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#define AI_MASK 0x00000007
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/*
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* Flag values for getipnodebyname()
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*/
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#define AI_V4MAPPED 0x00000008
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#define AI_ALL 0x00000010
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#define AI_ADDRCONFIG 0x00000020
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#define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG)
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/*
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* Constants for getnameinfo()
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*/
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#define NI_MAXHOST 1025
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#define NI_MAXSERV 32
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/*
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* Flag values for getnameinfo()
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*/
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#define NI_NOFQDN 0x00000001
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#define NI_NUMERICHOST 0x00000002
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#define NI_NAMEREQD 0x00000004
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#define NI_NUMERICSERV 0x00000008
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#define NI_DGRAM 0x00000010
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#define NI_WITHSCOPEID 0x00000020
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#define NI_NUMERICSCOPE 0x00000040
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/*
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* Scope delimit character
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*/
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#define SCOPE_DELIMITER '%'
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#ifdef _REENTRANT
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#if defined (__hpux) || defined(__osf__) || defined(_AIX)
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#define _MAXALIASES 35
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#define _MAXLINELEN 1024
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#define _MAXADDRS 35
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#define _HOSTBUFSIZE (BUFSIZ + 1)
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struct hostent_data {
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struct in_addr host_addr;
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char *h_addr_ptrs[_MAXADDRS + 1];
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char hostaddr[_MAXADDRS];
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char hostbuf[_HOSTBUFSIZE];
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char *host_aliases[_MAXALIASES];
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char *host_addrs[2];
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FILE *hostf;
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#ifdef __osf__
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int svc_gethostflag;
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int svc_gethostbind;
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#endif
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#ifdef __hpux
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short _nsw_src;
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short _flags;
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char *current;
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int currentlen;
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#endif
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};
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struct netent_data {
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FILE *net_fp;
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#ifdef __osf__
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char line[_MAXLINELEN];
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#endif
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#ifdef __hpux
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char line[_MAXLINELEN+1];
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#endif
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char *net_aliases[_MAXALIASES];
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#ifdef __osf__
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int _net_stayopen;
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int svc_getnetflag;
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#endif
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#ifdef __hpux
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short _nsw_src;
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short _flags;
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char *current;
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int currentlen;
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#endif
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};
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struct protoent_data {
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FILE *proto_fp;
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#ifdef __osf__
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char line[1024];
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#endif
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#ifdef __hpux
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char line[_MAXLINELEN+1];
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#endif
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char *proto_aliases[_MAXALIASES];
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#ifdef __osf__
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int _proto_stayopen;
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int svc_getprotoflag;
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#endif
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#ifdef __hpux
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short _nsw_src;
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short _flags;
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char *current;
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int currentlen;
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#endif
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};
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struct servent_data {
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FILE *serv_fp;
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#ifdef __osf__
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char line[_MAXLINELEN];
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#endif
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#ifdef __hpux
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char line[_MAXLINELEN+1];
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#endif
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char *serv_aliases[_MAXALIASES];
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#ifdef __osf__
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int _serv_stayopen;
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int svc_getservflag;
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#endif
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#ifdef __hpux
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short _nsw_src;
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short _flags;
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char *current;
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int currentlen;
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#endif
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};
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#endif
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#endif
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__BEGIN_DECLS
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void endhostent __P((void));
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void endnetent __P((void));
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void endprotoent __P((void));
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void endservent __P((void));
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void freehostent __P((struct hostent *));
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struct hostent *gethostbyaddr __P((const char *, int, int));
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struct hostent *gethostbyname __P((const char *));
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struct hostent *gethostbyname2 __P((const char *, int));
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struct hostent *gethostent __P((void));
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struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
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struct hostent *getipnodebyname __P((const char *, int, int, int *));
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struct netent *getnetbyaddr __P((unsigned long, int));
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struct netent *getnetbyname __P((const char *));
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struct netent *getnetent __P((void));
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struct protoent *getprotobyname __P((const char *));
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struct protoent *getprotobynumber __P((int));
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struct protoent *getprotoent __P((void));
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struct servent *getservbyname __P((const char *, const char *));
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struct servent *getservbyport __P((int, const char *));
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struct servent *getservent __P((void));
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void herror __P((const char *));
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const char *hstrerror __P((int));
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void sethostent __P((int));
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/* void sethostfile __P((const char *)); */
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void setnetent __P((int));
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void setprotoent __P((int));
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void setservent __P((int));
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int getaddrinfo __P((const char *, const char *,
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const struct addrinfo *, struct addrinfo **));
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int getnameinfo __P((const struct sockaddr *, size_t, char *,
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size_t, char *, size_t, int));
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void freeaddrinfo __P((struct addrinfo *));
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const char *gai_strerror __P((int));
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struct hostent *getipnodebyname __P((const char *, int, int, int *));
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struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *));
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void freehostent __P((struct hostent *));
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#ifdef _REENTRANT
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#if defined(__hpux) || defined(__osf__) || defined(_AIX)
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int gethostbyaddr_r __P((const char *, int, int, struct hostent *,
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struct hostent_data *));
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int gethostbyname_r __P((const char *, struct hostent *,
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struct hostent_data *));
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int gethostent_r __P((struct hostent *, struct hostent_data *));
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#if defined(_AIX)
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void sethostent_r __P((int, struct hostent_data *));
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#else
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int sethostent_r __P((int, struct hostent_data *));
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#endif
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#if defined(__hpux)
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int endhostent_r __P((struct hostent_data *));
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#else
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void endhostent_r __P((struct hostent_data *));
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#endif
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#ifdef __hpux
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int getnetbyaddr_r __P((int, int,
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struct netent *, struct netent_data *));
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#else
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int getnetbyaddr_r __P((long, int,
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struct netent *, struct netent_data *));
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#endif
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int getnetbyname_r __P((const char *,
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struct netent *, struct netent_data *));
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int getnetent_r __P((struct netent *, struct netent_data *));
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int setnetent_r __P((int, struct netent_data *));
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#ifdef __hpux
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int endnetent_r __P((struct netent_data *buffer));
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#else
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void endnetent_r __P((struct netent_data *buffer));
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#endif
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int getprotobyname_r __P((const char *,
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struct protoent *, struct protoent_data *));
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int getprotobynumber_r __P((int,
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struct protoent *, struct protoent_data *));
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int getprotoent_r __P((struct protoent *, struct protoent_data *));
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int setprotoent_r __P((int, struct protoent_data *));
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#ifdef __hpux
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int endprotoent_r __P((struct protoent_data *));
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#else
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void endprotoent_r __P((struct protoent_data *));
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#endif
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int getservbyname_r __P((const char *, const char *,
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struct servent *, struct servent_data *));
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int getservbyport_r __P((int, const char *,
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struct servent *, struct servent_data *));
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int getservent_r __P((struct servent *, struct servent_data *));
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int setservent_r __P((int, struct servent_data *));
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#ifdef __hpux
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int endservent_r __P((struct servent_data *));
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#else
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void endservent_r __P((struct servent_data *));
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#endif
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#else
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/* defined(sun) || defined(bsdi) */
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struct hostent *gethostbyaddr_r __P((const char *, int, int, struct hostent *,
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char *, int, int *));
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struct hostent *gethostbyname_r __P((const char *, struct hostent *,
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char *, int, int *));
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struct hostent *gethostent_r __P((struct hostent *, char *, int, int *));
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void sethostent_r __P((int));
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void endhostent_r __P((void));
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struct netent *getnetbyname_r __P((const char *, struct netent *,
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char *, int));
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struct netent *getnetbyaddr_r __P((long, int, struct netent *,
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char *, int));
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struct netent *getnetent_r __P((struct netent *, char *, int));
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void setnetent_r __P((int));
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void endnetent_r __P((void));
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struct protoent *getprotobyname_r __P((const char *,
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struct protoent *, char *, int));
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struct protoent *getprotobynumber_r __P((int,
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struct protoent *, char *, int));
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struct protoent *getprotoent_r __P((struct protoent *, char *, int));
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void setprotoent_r __P((int));
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void endprotoent_r __P((void));
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struct servent *getservbyname_r __P((const char *name, const char *,
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struct servent *, char *, int));
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struct servent *getservbyport_r __P((int port, const char *,
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struct servent *, char *, int));
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struct servent *getservent_r __P((struct servent *, char *, int));
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void setservent_r __P((int));
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void endservent_r __P((void));
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#endif
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#endif
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__END_DECLS
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/* This is nec'y to make this include file properly replace the sun version. */
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#ifdef sun
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#ifdef __GNU_LIBRARY__
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#include <rpc/netdb.h>
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#else
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struct rpcent {
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char *r_name; /* name of server for this rpc program */
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char **r_aliases; /* alias list */
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int r_number; /* rpc program number */
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};
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struct rpcent *getrpcbyname(), *getrpcbynumber(), *getrpcent();
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#endif /* __GNU_LIBRARY__ */
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#endif /* sun */
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#endif /* !_NETDB_H_ */
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