128 lines
4.8 KiB
C
Executable file
128 lines
4.8 KiB
C
Executable file
/*-
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* Copyright (c) 1980, 1983, 1988 Regents of the University of California.
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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 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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* @(#)netdb.h 5.15 (Berkeley) 4/3/91
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*/
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#ifndef _NETDB_H_
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#define _NETDB_H_
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#define _PATH_HEQUIV "/etc/hosts.equiv"
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#define _PATH_HOSTS "/etc/hosts"
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#define _PATH_NETWORKS "/etc/networks"
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#define _PATH_PROTOCOLS "/etc/protocols"
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#define _PATH_SERVICES "/etc/services"
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#define _PATH_SERVACCES "/etc/serv.access"
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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 32 bits -- 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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/*
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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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extern int h_errno;
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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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#ifndef _ANSI_H
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#include <ansi.h>
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#endif
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void endhostent _ARGS((void));
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void endnetent _ARGS((void));
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void endprotoent _ARGS((void));
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void endservent _ARGS((void));
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struct hostent *gethostbyaddr _ARGS((const char *, int, int));
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struct hostent *gethostbyname _ARGS((const char *));
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struct hostent *gethostent _ARGS((void));
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struct netent *getnetbyaddr _ARGS((long, int)); /* u_long? */
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struct netent *getnetbyname _ARGS((const char *));
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struct netent *getnetent _ARGS((void));
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struct protoent *getprotobyname _ARGS((const char *));
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struct protoent *getprotobynumber _ARGS((int));
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struct protoent *getprotoent _ARGS((void));
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struct servent *getservbyname _ARGS((const char *, const char *));
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struct servent *getservbyport _ARGS((int, const char *));
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struct servent *getservent _ARGS((void));
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void herror _ARGS((const char *));
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void sethostent _ARGS((int));
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/* void sethostfile _ARGS((const char *)); */
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void setnetent _ARGS((int));
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void setprotoent _ARGS((int));
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void setservent _ARGS((int));
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#ifdef _MINIX
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int servxcheck _ARGS((unsigned long _peer, const char *_service,
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void (*_logf) _ARGS((int _pass, const char *_name))));
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char *servxfile _ARGS((const char *_file));
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#endif
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#endif /* !_NETDB_H_ */
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