| 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)); |
| 102 | struct hostent *gethostbyname __P((char *)); |
| 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_ */ |