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15637ed4 RG |
1 | /*- |
2 | * Copyright (c) 1980, 1983, 1988 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
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. | |
20 | * | |
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 | |
31 | * SUCH DAMAGE. | |
32 | * | |
33 | * @(#)netdb.h 5.15 (Berkeley) 4/3/91 | |
34 | */ | |
35 | ||
36 | #ifndef _NETDB_H_ | |
37 | #define _NETDB_H_ | |
38 | ||
39 | #define _PATH_HEQUIV "/etc/hosts.equiv" | |
40 | #define _PATH_HOSTS "/etc/hosts" | |
41 | #define _PATH_NETWORKS "/etc/networks" | |
42 | #define _PATH_PROTOCOLS "/etc/protocols" | |
43 | #define _PATH_SERVICES "/etc/services" | |
44 | ||
45 | /* | |
46 | * Structures returned by network data base library. All addresses are | |
47 | * supplied in host order, and returned in network order (suitable for | |
48 | * use in system calls). | |
49 | */ | |
50 | struct hostent { | |
51 | char *h_name; /* official name of host */ | |
52 | char **h_aliases; /* alias list */ | |
53 | int h_addrtype; /* host address type */ | |
54 | int h_length; /* length of address */ | |
55 | char **h_addr_list; /* list of addresses from name server */ | |
56 | #define h_addr h_addr_list[0] /* address, for backward compatiblity */ | |
57 | }; | |
58 | ||
59 | /* | |
60 | * Assumption here is that a network number | |
61 | * fits in 32 bits -- probably a poor one. | |
62 | */ | |
63 | struct netent { | |
64 | char *n_name; /* official name of net */ | |
65 | char **n_aliases; /* alias list */ | |
66 | int n_addrtype; /* net address type */ | |
67 | unsigned long n_net; /* network # */ | |
68 | }; | |
69 | ||
70 | struct servent { | |
71 | char *s_name; /* official service name */ | |
72 | char **s_aliases; /* alias list */ | |
73 | int s_port; /* port # */ | |
74 | char *s_proto; /* protocol to use */ | |
75 | }; | |
76 | ||
77 | struct protoent { | |
78 | char *p_name; /* official protocol name */ | |
79 | char **p_aliases; /* alias list */ | |
80 | int p_proto; /* protocol # */ | |
81 | }; | |
82 | ||
83 | /* | |
84 | * Error return codes from gethostbyname() and gethostbyaddr() | |
85 | * (left in extern int h_errno). | |
86 | */ | |
87 | ||
88 | #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */ | |
89 | #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */ | |
90 | #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ | |
91 | #define NO_DATA 4 /* Valid name, no data record of requested type */ | |
92 | #define NO_ADDRESS NO_DATA /* no address, look for MX record */ | |
93 | ||
94 | #include <sys/cdefs.h> | |
95 | ||
96 | __BEGIN_DECLS | |
97 | void endhostent __P((void)); | |
98 | void endnetent __P((void)); | |
99 | void endprotoent __P((void)); | |
100 | void endservent __P((void)); | |
101 | struct hostent *gethostbyaddr __P((const char *, int, int)); | |
695e9430 | 102 | struct hostent *gethostbyname __P((const char *)); |
15637ed4 RG |
103 | struct hostent *gethostent __P((void)); |
104 | struct netent *getnetbyaddr __P((long, int)); /* u_long? */ | |
105 | struct netent *getnetbyname __P((const char *)); | |
106 | struct netent *getnetent __P((void)); | |
107 | struct protoent *getprotobyname __P((const char *)); | |
108 | struct protoent *getprotobynumber __P((int)); | |
109 | struct protoent *getprotoent __P((void)); | |
110 | struct servent *getservbyname __P((const char *, const char *)); | |
111 | struct servent *getservbyport __P((int, const char *)); | |
112 | struct servent *getservent __P((void)); | |
113 | void herror __P((const char *)); | |
114 | void sethostent __P((int)); | |
115 | /* void sethostfile __P((const char *)); */ | |
116 | void setnetent __P((int)); | |
117 | void setprotoent __P((int)); | |
118 | void setservent __P((int)); | |
119 | __END_DECLS | |
120 | ||
121 | #endif /* !_NETDB_H_ */ |