]> git.ipfire.org Git - thirdparty/glibc.git/blame - resolv/netdb.h
Tue Aug 22 16:49:12 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
[thirdparty/glibc.git] / resolv / netdb.h
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1/*
2 * ++Copyright++ 1980, 1983, 1988, 1993
3 * -
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4 * Copyright (c) 1980, 1983, 1988, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
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34 * -
35 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
3d61b63c 36 *
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37 * Permission to use, copy, modify, and distribute this software for any
38 * purpose with or without fee is hereby granted, provided that the above
39 * copyright notice and this permission notice appear in all copies, and that
40 * the name of Digital Equipment Corporation not be used in advertising or
41 * publicity pertaining to distribution of the document or software without
42 * specific, written prior permission.
3d61b63c 43 *
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44 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
45 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
46 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
47 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
48 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
49 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
50 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
51 * SOFTWARE.
52 * -
53 * --Copyright--
54 */
55
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56/*
57 * @(#)netdb.h 8.1 (Berkeley) 6/2/93
58 * $Id$
59 */
60
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61#ifndef _NETDB_H_
62#define _NETDB_H_
63
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64#include <sys/param.h>
65#if (!defined(BSD)) || (BSD < 199306)
66# include <sys/bitypes.h>
67#endif
68#include <sys/cdefs.h>
69
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70#define _PATH_HEQUIV "/etc/hosts.equiv"
71#define _PATH_HOSTS "/etc/hosts"
72#define _PATH_NETWORKS "/etc/networks"
73#define _PATH_PROTOCOLS "/etc/protocols"
74#define _PATH_SERVICES "/etc/services"
75
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76extern int h_errno;
77
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78/*
79 * Structures returned by network data base library. All addresses are
80 * supplied in host order, and returned in network order (suitable for
81 * use in system calls).
82 */
83struct hostent {
84 char *h_name; /* official name of host */
85 char **h_aliases; /* alias list */
86 int h_addrtype; /* host address type */
87 int h_length; /* length of address */
88 char **h_addr_list; /* list of addresses from name server */
89#define h_addr h_addr_list[0] /* address, for backward compatiblity */
90};
91
92/*
93 * Assumption here is that a network number
94 * fits in an unsigned long -- probably a poor one.
95 */
96struct netent {
97 char *n_name; /* official name of net */
98 char **n_aliases; /* alias list */
99 int n_addrtype; /* net address type */
100 unsigned long n_net; /* network # */
101};
102
103struct servent {
104 char *s_name; /* official service name */
105 char **s_aliases; /* alias list */
106 int s_port; /* port # */
107 char *s_proto; /* protocol to use */
108};
109
110struct protoent {
111 char *p_name; /* official protocol name */
112 char **p_aliases; /* alias list */
113 int p_proto; /* protocol # */
114};
115
116/*
117 * Error return codes from gethostbyname() and gethostbyaddr()
118 * (left in extern int h_errno).
119 */
120
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121#define NETDB_INTERNAL -1 /* see errno */
122#define NETDB_SUCCESS 0 /* no problem */
123#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
124#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
125#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
126#define NO_DATA 4 /* Valid name, no data record of requested type */
127#define NO_ADDRESS NO_DATA /* no address, look for MX record */
128
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129__BEGIN_DECLS
130void endhostent __P((void));
131void endnetent __P((void));
132void endprotoent __P((void));
133void endservent __P((void));
134struct hostent *gethostbyaddr __P((const char *, int, int));
135struct hostent *gethostbyname __P((const char *));
3cf595e5 136struct hostent *gethostbyname2 __P((const char *, int));
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137struct hostent *gethostent __P((void));
138struct netent *getnetbyaddr __P((long, int)); /* u_long? */
139struct netent *getnetbyname __P((const char *));
140struct netent *getnetent __P((void));
141struct protoent *getprotobyname __P((const char *));
142struct protoent *getprotobynumber __P((int));
143struct protoent *getprotoent __P((void));
144struct servent *getservbyname __P((const char *, const char *));
145struct servent *getservbyport __P((int, const char *));
146struct servent *getservent __P((void));
147void herror __P((const char *));
3d61b63c 148const char *hstrerror __P((int));
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149void sethostent __P((int));
150/* void sethostfile __P((const char *)); */
151void setnetent __P((int));
152void setprotoent __P((int));
153void setservent __P((int));
154__END_DECLS
155
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156/* This is nec'y to make this include file properly replace the sun version. */
157#ifdef __GNU_LIBRARY__
158#include <rpc/netdb.h>
159#else
160#ifdef sun
161struct rpcent {
162 char *r_name; /* name of server for this rpc program */
163 char **r_aliases; /* alias list */
164 int r_number; /* rpc program number */
165};
166struct rpcent *getrpcbyname(), *getrpcbynumber(), *getrpcent();
167#endif /* sun */
168#endif /* __GNU_LIBRARY__ */
169
28f540f4 170#endif /* !_NETDB_H_ */