netdb.h revision 1.5 1 1.5 jtc /* $NetBSD: netdb.h,v 1.5 1995/07/03 22:59:12 jtc Exp $ */
2 1.4 cgd
3 1.1 cgd /*-
4 1.1 cgd * Copyright (c) 1980, 1983, 1988 Regents of the University of California.
5 1.1 cgd * All rights reserved.
6 1.1 cgd *
7 1.1 cgd * Redistribution and use in source and binary forms, with or without
8 1.1 cgd * modification, are permitted provided that the following conditions
9 1.1 cgd * are met:
10 1.1 cgd * 1. Redistributions of source code must retain the above copyright
11 1.1 cgd * notice, this list of conditions and the following disclaimer.
12 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 cgd * notice, this list of conditions and the following disclaimer in the
14 1.1 cgd * documentation and/or other materials provided with the distribution.
15 1.1 cgd * 3. All advertising materials mentioning features or use of this software
16 1.1 cgd * must display the following acknowledgement:
17 1.1 cgd * This product includes software developed by the University of
18 1.1 cgd * California, Berkeley and its contributors.
19 1.1 cgd * 4. Neither the name of the University nor the names of its contributors
20 1.1 cgd * may be used to endorse or promote products derived from this software
21 1.1 cgd * without specific prior written permission.
22 1.1 cgd *
23 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 1.1 cgd * SUCH DAMAGE.
34 1.1 cgd *
35 1.4 cgd * @(#)netdb.h 5.15 (Berkeley) 4/3/91
36 1.1 cgd */
37 1.1 cgd
38 1.1 cgd #ifndef _NETDB_H_
39 1.1 cgd #define _NETDB_H_
40 1.1 cgd
41 1.1 cgd #define _PATH_HEQUIV "/etc/hosts.equiv"
42 1.1 cgd #define _PATH_HOSTS "/etc/hosts"
43 1.1 cgd #define _PATH_NETWORKS "/etc/networks"
44 1.1 cgd #define _PATH_PROTOCOLS "/etc/protocols"
45 1.1 cgd #define _PATH_SERVICES "/etc/services"
46 1.1 cgd
47 1.1 cgd /*
48 1.1 cgd * Structures returned by network data base library. All addresses are
49 1.1 cgd * supplied in host order, and returned in network order (suitable for
50 1.1 cgd * use in system calls).
51 1.1 cgd */
52 1.1 cgd struct hostent {
53 1.1 cgd char *h_name; /* official name of host */
54 1.1 cgd char **h_aliases; /* alias list */
55 1.1 cgd int h_addrtype; /* host address type */
56 1.1 cgd int h_length; /* length of address */
57 1.1 cgd char **h_addr_list; /* list of addresses from name server */
58 1.1 cgd #define h_addr h_addr_list[0] /* address, for backward compatiblity */
59 1.1 cgd };
60 1.1 cgd
61 1.1 cgd /*
62 1.1 cgd * Assumption here is that a network number
63 1.1 cgd * fits in 32 bits -- probably a poor one.
64 1.1 cgd */
65 1.1 cgd struct netent {
66 1.1 cgd char *n_name; /* official name of net */
67 1.1 cgd char **n_aliases; /* alias list */
68 1.1 cgd int n_addrtype; /* net address type */
69 1.1 cgd unsigned long n_net; /* network # */
70 1.1 cgd };
71 1.1 cgd
72 1.1 cgd struct servent {
73 1.1 cgd char *s_name; /* official service name */
74 1.1 cgd char **s_aliases; /* alias list */
75 1.1 cgd int s_port; /* port # */
76 1.1 cgd char *s_proto; /* protocol to use */
77 1.1 cgd };
78 1.1 cgd
79 1.1 cgd struct protoent {
80 1.1 cgd char *p_name; /* official protocol name */
81 1.1 cgd char **p_aliases; /* alias list */
82 1.1 cgd int p_proto; /* protocol # */
83 1.1 cgd };
84 1.1 cgd
85 1.1 cgd /*
86 1.1 cgd * Error return codes from gethostbyname() and gethostbyaddr()
87 1.1 cgd * (left in extern int h_errno).
88 1.1 cgd */
89 1.5 jtc
90 1.5 jtc extern int h_errno;
91 1.1 cgd
92 1.1 cgd #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
93 1.1 cgd #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
94 1.1 cgd #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
95 1.1 cgd #define NO_DATA 4 /* Valid name, no data record of requested type */
96 1.1 cgd #define NO_ADDRESS NO_DATA /* no address, look for MX record */
97 1.1 cgd
98 1.1 cgd #include <sys/cdefs.h>
99 1.1 cgd
100 1.1 cgd __BEGIN_DECLS
101 1.1 cgd void endhostent __P((void));
102 1.1 cgd void endnetent __P((void));
103 1.1 cgd void endprotoent __P((void));
104 1.1 cgd void endservent __P((void));
105 1.1 cgd struct hostent *gethostbyaddr __P((const char *, int, int));
106 1.3 deraadt struct hostent *gethostbyname __P((const char *));
107 1.3 deraadt struct hostent *gethostent __P((void));
108 1.1 cgd struct netent *getnetbyaddr __P((long, int)); /* u_long? */
109 1.1 cgd struct netent *getnetbyname __P((const char *));
110 1.1 cgd struct netent *getnetent __P((void));
111 1.1 cgd struct protoent *getprotobyname __P((const char *));
112 1.1 cgd struct protoent *getprotobynumber __P((int));
113 1.1 cgd struct protoent *getprotoent __P((void));
114 1.1 cgd struct servent *getservbyname __P((const char *, const char *));
115 1.1 cgd struct servent *getservbyport __P((int, const char *));
116 1.1 cgd struct servent *getservent __P((void));
117 1.1 cgd void herror __P((const char *));
118 1.3 deraadt char *hstrerror __P((int));
119 1.1 cgd void sethostent __P((int));
120 1.1 cgd /* void sethostfile __P((const char *)); */
121 1.1 cgd void setnetent __P((int));
122 1.1 cgd void setprotoent __P((int));
123 1.1 cgd void setservent __P((int));
124 1.1 cgd __END_DECLS
125 1.1 cgd
126 1.1 cgd #endif /* !_NETDB_H_ */
127