|
12
|
1 /* @(#)$Id: netdb.h,v 1.1.1.1 2005/04/18 14:46:04 kono Exp $ */
|
|
0
|
2 /*
|
|
|
3 * Copyright (c) 1980,1983,1988 Regents of the University of California.
|
|
|
4 * All rights reserved.
|
|
|
5 *
|
|
|
6 * Redistribution and use in source and binary forms are permitted
|
|
|
7 * provided that this notice is preserved and that due credit is given
|
|
|
8 * to the University of California at Berkeley. The name of the University
|
|
|
9 * may not be used to endorse or promote products derived from this
|
|
|
10 * software without specific prior written permission. This software
|
|
|
11 * is provided ``as is'' without express or implied warranty.
|
|
|
12 *
|
|
|
13 * @(#)netdb.h 5.9 (Berkeley) 4/5/88
|
|
|
14 */
|
|
|
15
|
|
|
16 /*
|
|
|
17 * Structures returned by network
|
|
|
18 * data base library. All addresses
|
|
|
19 * are supplied in host order, and
|
|
|
20 * returned in network order (suitable
|
|
|
21 * for use in system calls).
|
|
|
22 */
|
|
|
23 struct hostent {
|
|
|
24 char *h_name; /* official name of host */
|
|
|
25 char **h_aliases; /* alias list */
|
|
|
26 int h_addrtype; /* host address type */
|
|
|
27 int h_length; /* length of address */
|
|
|
28 char **h_addr_list; /* list of addresses from name server */
|
|
|
29 #define h_addr h_addr_list[0] /* address, for backward compatiblity */
|
|
|
30 };
|
|
|
31
|
|
|
32 /*
|
|
|
33 * Assumption here is that a network number
|
|
|
34 * fits in 32 bits -- probably a poor one.
|
|
|
35 */
|
|
|
36 struct netent {
|
|
|
37 char *n_name; /* official name of net */
|
|
|
38 char **n_aliases; /* alias list */
|
|
|
39 int n_addrtype; /* net address type */
|
|
|
40 #ifndef __alpha
|
|
|
41 unsigned long n_net; /* network # */
|
|
|
42 #else
|
|
|
43 unsigned int n_net; /* network # */
|
|
|
44 #endif
|
|
|
45 };
|
|
|
46
|
|
|
47 struct servent {
|
|
|
48 char *s_name; /* official service name */
|
|
|
49 char **s_aliases; /* alias list */
|
|
|
50 int s_port; /* port # */
|
|
|
51 char *s_proto; /* protocol to use */
|
|
|
52 };
|
|
|
53
|
|
|
54 struct protoent {
|
|
|
55 char *p_name; /* official protocol name */
|
|
|
56 char **p_aliases; /* alias list */
|
|
|
57 int p_proto; /* protocol # */
|
|
|
58 };
|
|
|
59
|
|
|
60 struct hostent *gethostbyname(), *gethostbyaddr(), *gethostent();
|
|
|
61 struct netent *getnetbyname(), *getnetbyaddr(), *getnetent();
|
|
|
62 struct servent *getservbyname(), *getservbyport(), *getservent();
|
|
|
63 struct protoent *getprotobyname(), *getprotobynumber(), *getprotoent();
|
|
|
64
|
|
|
65 /*
|
|
|
66 * Error return codes from gethostbyname() and gethostbyaddr()
|
|
|
67 * (left in extern int h_errno).
|
|
|
68 */
|
|
|
69
|
|
|
70 #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
|
|
|
71 #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
|
|
|
72 #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
|
|
|
73 #define NO_DATA 4 /* Valid name, no data record of requested type */
|
|
|
74 #define NO_ADDRESS NO_DATA /* no address, look for MX record */
|
