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
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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
34 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
36 * Permission to use, copy, modify, and distribute this software for any
37 * purpose with or without fee is hereby granted, provided that the above
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39 * the name of Digital Equipment Corporation not be used in advertising or
40 * publicity pertaining to distribution of the document or software without
41 * specific, written prior permission.
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44 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
45 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
46 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
47 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
48 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
49 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
56 * @(#)netdb.h 8.1 (Berkeley) 6/2/93
57 * From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
64 #include <sys/cdefs.h>
67 # define _PATH_HEQUIV "/etc/hosts.equiv"
69 #define _PATH_HOSTS "/etc/hosts"
70 #define _PATH_NETWORKS "/etc/networks"
71 #define _PATH_PROTOCOLS "/etc/protocols"
72 #define _PATH_SERVICES "/etc/services"
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 compatibility */
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 * Error return codes from gethostbyname() and gethostbyaddr()
116 * (left in extern int h_errno).
119 #define NETDB_INTERNAL -1 /* see errno */
120 #define NETDB_SUCCESS 0 /* no problem */
121 #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
122 #define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL */
123 #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
124 #define NO_DATA 4 /* Valid name, no data record of requested type */
125 #define NO_ADDRESS NO_DATA /* no address, look for MX record */
128 void endhostent __P((void));
129 void endnetent __P((void));
130 void endprotoent __P((void));
131 void endservent __P((void));
132 struct hostent *gethostbyaddr __P((const char *, int, int));
133 struct hostent *gethostbyname __P((const char *));
134 struct hostent *gethostbyname2 __P((const char *, int));
135 struct hostent *gethostent __P((void));
136 struct netent *getnetbyaddr __P((unsigned long, int));
137 struct netent *getnetbyname __P((const char *));
138 struct netent *getnetent __P((void));
139 struct protoent *getprotobyname __P((const char *));
140 struct protoent *getprotobynumber __P((int));
141 struct protoent *getprotoent __P((void));
142 struct servent *getservbyname __P((const char *, const char *));
143 struct servent *getservbyport __P((int, const char *));
144 struct servent *getservent __P((void));
145 void herror __P((const char *));
146 __const char *hstrerror __P((int));
147 void sethostent __P((int));
148 /* void sethostfile __P((const char *)); */
149 void setnetent __P((int));
150 void setprotoent __P((int));
151 void setservent __P((int));
154 * PRIVATE functions specific to the FreeBSD implementation
157 /* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
158 void _sethosthtent __P((int));
159 void _endhosthtent __P((void));
160 void _sethostdnsent __P((int));
161 void _endhostdnsent __P((void));
162 void _setnethtent __P((int));
163 void _endnethtent __P((void));
164 void _setnetdnsent __P((int));
165 void _endnetdnsent __P((void));
166 struct hostent * _gethostbyhtname __P((const char *, int));
167 struct hostent * _gethostbydnsname __P((const char *, int));
168 struct hostent * _gethostbynisname __P((const char *, int));
169 struct hostent * _gethostbyhtaddr __P((const char *, int, int));
170 struct hostent * _gethostbydnsaddr __P((const char *, int, int));
171 struct hostent * _gethostbynisaddr __P((const char *, int, int));
172 struct netent * _getnetbyhtname __P((const char *));
173 struct netent * _getnetbydnsname __P((const char *));
174 struct netent * _getnetbynisname __P((const char *));
175 struct netent * _getnetbyhtaddr __P((unsigned long, int));
176 struct netent * _getnetbydnsaddr __P((unsigned long, int));
177 struct netent * _getnetbynisaddr __P((unsigned long, int));
178 void _map_v4v6_address __P((const char *src, char *dst));
179 void _map_v4v6_hostent __P((struct hostent *hp, char **bp, int *len));
182 #endif /* !_NETDB_H_ */