Annotation of src/include/netdb.h, Revision 1.4
1.4 ! millert 1: /* $OpenBSD: netdb.h,v 1.3 1997/03/13 19:11:49 downsj Exp $ */
1.3 downsj 2:
1.2 dm 3: /*
4: * ++Copyright++ 1980, 1983, 1988, 1993
5: * -
6: * Copyright (c) 1980, 1983, 1988, 1993
7: * The Regents of the University of California. All rights reserved.
1.1 deraadt 8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software developed by the University of
20: * California, Berkeley and its contributors.
21: * 4. Neither the name of the University nor the names of its contributors
22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
1.2 dm 36: * -
37: * Portions Copyright (c) 1993 by Digital Equipment Corporation.
1.1 deraadt 38: *
1.2 dm 39: * Permission to use, copy, modify, and distribute this software for any
40: * purpose with or without fee is hereby granted, provided that the above
41: * copyright notice and this permission notice appear in all copies, and that
42: * the name of Digital Equipment Corporation not be used in advertising or
43: * publicity pertaining to distribution of the document or software without
44: * specific, written prior permission.
45: *
46: * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
47: * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
48: * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
49: * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
50: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
51: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
52: * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
53: * SOFTWARE.
54: * -
55: * --Copyright--
56: */
57:
58: /*
59: * @(#)netdb.h 8.1 (Berkeley) 6/2/93
1.3 downsj 60: * $From: netdb.h,v 8.7 1996/05/09 05:59:09 vixie Exp $
1.1 deraadt 61: */
62:
63: #ifndef _NETDB_H_
64: #define _NETDB_H_
65:
1.2 dm 66: #include <sys/param.h>
67: #if (!defined(BSD)) || (BSD < 199306)
68: # include <sys/bitypes.h>
69: #endif
70: #include <sys/cdefs.h>
71:
1.1 deraadt 72: #define _PATH_HEQUIV "/etc/hosts.equiv"
73: #define _PATH_HOSTS "/etc/hosts"
74: #define _PATH_NETWORKS "/etc/networks"
75: #define _PATH_PROTOCOLS "/etc/protocols"
76: #define _PATH_SERVICES "/etc/services"
77:
1.2 dm 78: extern int h_errno;
79:
1.1 deraadt 80: /*
81: * Structures returned by network data base library. All addresses are
82: * supplied in host order, and returned in network order (suitable for
83: * use in system calls).
84: */
85: struct hostent {
86: char *h_name; /* official name of host */
87: char **h_aliases; /* alias list */
88: int h_addrtype; /* host address type */
89: int h_length; /* length of address */
90: char **h_addr_list; /* list of addresses from name server */
91: #define h_addr h_addr_list[0] /* address, for backward compatiblity */
92: };
93:
94: /*
95: * Assumption here is that a network number
1.4 ! millert 96: * fits in an in_addr_t -- probably a poor one.
1.1 deraadt 97: */
98: struct netent {
99: char *n_name; /* official name of net */
100: char **n_aliases; /* alias list */
101: int n_addrtype; /* net address type */
1.4 ! millert 102: in_addr_t n_net; /* network # */
1.1 deraadt 103: };
104:
105: struct servent {
106: char *s_name; /* official service name */
107: char **s_aliases; /* alias list */
108: int s_port; /* port # */
109: char *s_proto; /* protocol to use */
110: };
111:
112: struct protoent {
113: char *p_name; /* official protocol name */
114: char **p_aliases; /* alias list */
115: int p_proto; /* protocol # */
116: };
117:
118: /*
119: * Error return codes from gethostbyname() and gethostbyaddr()
120: * (left in extern int h_errno).
121: */
122:
1.2 dm 123: #define NETDB_INTERNAL -1 /* see errno */
124: #define NETDB_SUCCESS 0 /* no problem */
1.1 deraadt 125: #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
126: #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
127: #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
128: #define NO_DATA 4 /* Valid name, no data record of requested type */
129: #define NO_ADDRESS NO_DATA /* no address, look for MX record */
130:
131: __BEGIN_DECLS
132: void endhostent __P((void));
133: void endnetent __P((void));
134: void endprotoent __P((void));
135: void endservent __P((void));
136: struct hostent *gethostbyaddr __P((const char *, int, int));
137: struct hostent *gethostbyname __P((const char *));
1.2 dm 138: struct hostent *gethostbyname2 __P((const char *, int));
1.1 deraadt 139: struct hostent *gethostent __P((void));
1.4 ! millert 140: struct netent *getnetbyaddr __P((in_addr_t, int));
1.1 deraadt 141: struct netent *getnetbyname __P((const char *));
142: struct netent *getnetent __P((void));
143: struct protoent *getprotobyname __P((const char *));
144: struct protoent *getprotobynumber __P((int));
145: struct protoent *getprotoent __P((void));
146: struct servent *getservbyname __P((const char *, const char *));
147: struct servent *getservbyport __P((int, const char *));
148: struct servent *getservent __P((void));
149: void herror __P((const char *));
1.2 dm 150: const char *hstrerror __P((int));
1.1 deraadt 151: void sethostent __P((int));
152: /* void sethostfile __P((const char *)); */
153: void setnetent __P((int));
154: void setprotoent __P((int));
155: void setservent __P((int));
156: __END_DECLS
1.2 dm 157:
158: /* This is nec'y to make this include file properly replace the sun version. */
159: #ifdef sun
160: #ifdef __GNU_LIBRARY__
161: #include <rpc/netdb.h>
162: #else
163: struct rpcent {
164: char *r_name; /* name of server for this rpc program */
165: char **r_aliases; /* alias list */
166: int r_number; /* rpc program number */
167: };
168: struct rpcent *getrpcbyname(), *getrpcbynumber(), *getrpcent();
169: #endif /* __GNU_LIBRARY__ */
170: #endif /* sun */
1.1 deraadt 171:
172: #endif /* !_NETDB_H_ */
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