2 * Copyright (c) 1980, 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)netdb.h 8.1 (Berkeley) 6/2/93
34 * netdb.h,v 1.4 1995/08/14 04:05:04 hjl Exp
36 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
38 * Permission to use, copy, modify and distribute this software for any
39 * purpose with or without fee is hereby granted, provided that the above
40 * copyright notice and this permission notice appear in all copies, and that
41 * the name of Digital Equipment Corporation not be used in advertising or
42 * publicity pertaining to distribution of the document or software without
43 * specific, written prior permission.
45 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
46 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
47 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
48 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
49 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
50 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
51 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
60 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
62 #include <netinet/in.h>
67 #define _PATH_HEQUIV __PATH_ETC_INET"/hosts.equiv"
68 #define _PATH_HOSTS __PATH_ETC_INET"/hosts"
69 #define _PATH_NETWORKS __PATH_ETC_INET"/networks"
70 #define _PATH_PROTOCOLS __PATH_ETC_INET"/protocols"
71 #define _PATH_SERVICES __PATH_ETC_INET"/services"
72 #define _PATH_RESCONF __PATH_ETC_INET"/resolv.conf"
73 #define _PATH_RPC __PATH_ETC_INET"/rpc"
77 * Structures returned by network data base library. All addresses are
78 * supplied in host order, and returned in network order (suitable for
79 * use in system calls).
82 char *h_name; /* official name of host */
83 char **h_aliases; /* alias list */
84 int h_addrtype; /* host address type */
85 int h_length; /* length of address */
86 char **h_addr_list; /* list of addresses from name server */
87 #define h_addr h_addr_list[0] /* address, for backward compatiblity */
91 * Assumption here is that a network number
92 * fits in an unsigned long -- probably a poor one.
95 char *n_name; /* official name of net */
96 char **n_aliases; /* alias list */
97 int n_addrtype; /* net address type */
98 unsigned long n_net; /* network # */
102 char *s_name; /* official service name */
103 char **s_aliases; /* alias list */
104 int s_port; /* port # */
105 char *s_proto; /* protocol to use */
109 char *p_name; /* official protocol name */
110 char **p_aliases; /* alias list */
111 int p_proto; /* protocol # */
115 char *r_name; /* name of server for this rpc program */
116 char **r_aliases; /* alias list */
117 int r_number; /* rpc program number */
120 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
122 #define __NETDB_MAXALIASES 35
123 #define __NETDB_MAXADDRS 35
126 * Error return codes from gethostbyname() and gethostbyaddr()
127 * (left in extern int h_errno).
129 #define h_errno (*__h_errno_location ())
134 #define NETDB_INTERNAL -1 /* see errno */
135 #define NETDB_SUCCESS 0 /* no problem */
136 #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
137 #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
138 #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
139 #define NO_DATA 4 /* Valid name, no data record of requested type */
140 #define NO_ADDRESS NO_DATA /* no address, look for MX record */
142 #include <features.h>
146 void endhostent __P((void));
147 void endnetent __P((void));
148 void endprotoent __P((void));
149 void endservent __P((void));
150 void endrpcent __P ((void));
151 struct hostent *gethostbyaddr __P((__const char *, int, int));
152 struct hostent *gethostbyname __P((__const char *));
153 struct hostent *gethostent __P((void));
154 struct netent *getnetbyaddr __P((long, int)); /* u_long? */
155 struct netent *getnetbyname __P((__const char *));
156 struct netent *getnetent __P((void));
157 struct protoent *getprotobyname __P((__const char *));
158 struct protoent *getprotobynumber __P((int));
159 struct protoent *getprotoent __P((void));
160 struct servent *getservbyname __P((__const char *, __const char *));
161 struct servent *getservbyport __P((int, __const char *));
162 struct servent *getservent __P((void));
163 struct rpcent *getrpcent __P((void));
164 struct rpcent *getrpcbyname __P((__const char *));
165 struct rpcent *getrpcbynumber __P((int));
166 void herror __P((__const char *));
167 void sethostent __P((int));
168 /* void sethostfile __P((__const char *)); */
169 void setnetent __P((int));
170 void setprotoent __P((int));
171 void setservent __P((int));
172 void setrpcent __P((int));
174 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
175 struct hostent *gethostbyaddr_r __P((const char *__addr,
176 int __length, int __type,
177 struct hostent *__result,
178 char *__buffer, int __buflen, int *__h_errnop));
179 struct hostent *gethostbyname_r __P((const char * __name,
180 struct hostent *__result, char *__buffer,
181 int __buflen, int *__h_errnop));
182 struct hostent *gethostent_r __P((struct hostent *__result,
183 char *__buffer, int __buflen, int *__h_errnop));
184 struct netent *getnetbyaddr_r __P((long __net, int __type,
185 struct netent *__result, char *__buffer,
187 struct netent *getnetbyname_r __P((const char * __name,
188 struct netent *__result, char *__buffer,
190 struct netent *getnetent_r __P((struct netent *__result,
191 char *__buffer, int __buflen));
192 struct protoent *getprotobyname_r __P((const char * __name,
193 struct protoent *__result, char *__buffer,
195 struct protoent *getprotobynumber_r __P((int __proto,
196 struct protoent *__result, char *__buffer,
198 struct protoent *getprotoent_r __P((struct protoent *__result,
199 char *__buffer, int __buflen));
200 struct servent *getservbyname_r __P((const char * __name,
201 const char *__proto, struct servent *__result,
202 char *__buffer, int __buflen));
203 struct servent *getservbyport_r __P((int __port,
204 const char *__proto, struct servent *__result,
205 char *__buffer, int __buflen));
206 struct servent *getservent_r __P((struct servent *__result,
207 char *__buffer, int __buflen));
209 int *__h_errno_location __P((void));
215 #endif /* !_NETDB_H_ */