| /*- |
| * Copyright (c) 1980, 1983, 1988 Regents of the University of California. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)netdb.h 5.15 (Berkeley) 4/3/91 |
| */ |
| |
| #ifndef _NETDB_H_ |
| #define _NETDB_H_ |
| |
| #define _PATH_HEQUIV "/etc/hosts.equiv" |
| #define _PATH_HOSTS "/etc/hosts" |
| #define _PATH_NETWORKS "/etc/networks" |
| #define _PATH_PROTOCOLS "/etc/protocols" |
| #define _PATH_SERVICES "/etc/services" |
| |
| /* |
| * Structures returned by network data base library. All addresses are |
| * supplied in host order, and returned in network order (suitable for |
| * use in system calls). |
| */ |
| struct hostent { |
| char *h_name; /* official name of host */ |
| char **h_aliases; /* alias list */ |
| int h_addrtype; /* host address type */ |
| int h_length; /* length of address */ |
| char **h_addr_list; /* list of addresses from name server */ |
| #define h_addr h_addr_list[0] /* address, for backward compatiblity */ |
| }; |
| |
| /* |
| * Assumption here is that a network number |
| * fits in 32 bits -- probably a poor one. |
| */ |
| struct netent { |
| char *n_name; /* official name of net */ |
| char **n_aliases; /* alias list */ |
| int n_addrtype; /* net address type */ |
| unsigned long n_net; /* network # */ |
| }; |
| |
| struct servent { |
| char *s_name; /* official service name */ |
| char **s_aliases; /* alias list */ |
| int s_port; /* port # */ |
| char *s_proto; /* protocol to use */ |
| }; |
| |
| struct protoent { |
| char *p_name; /* official protocol name */ |
| char **p_aliases; /* alias list */ |
| int p_proto; /* protocol # */ |
| }; |
| |
| /* |
| * Error return codes from gethostbyname() and gethostbyaddr() |
| * (left in extern int h_errno). |
| */ |
| |
| #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */ |
| #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */ |
| #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ |
| #define NO_DATA 4 /* Valid name, no data record of requested type */ |
| #define NO_ADDRESS NO_DATA /* no address, look for MX record */ |
| |
| #include <sys/cdefs.h> |
| |
| __BEGIN_DECLS |
| void endhostent __P((void)); |
| void endnetent __P((void)); |
| void endprotoent __P((void)); |
| /* void endservent __P((void)); */ |
| struct hostent *gethostbyaddr __P((const char *, int, int)); |
| struct hostent *gethostbyname __P((char *)); |
| struct hostent *gethostent __P((void)); |
| struct netent *getnetbyaddr __P((long, int)); /* u_long? */ |
| struct netent *getnetbyname __P((const char *)); |
| struct netent *getnetent __P((void)); |
| struct protoent *getprotobyname __P((const char *)); |
| struct protoent *getprotobynumber __P((int)); |
| struct protoent *getprotoent __P((void)); |
| struct servent *getservbyname __P((const char *, const char *)); |
| struct servent *getservbyport __P((int, const char *)); |
| struct servent *getservent __P((void)); |
| void herror __P((const char *)); |
| void sethostent __P((int)); |
| /* void sethostfile __P((const char *)); */ |
| void setnetent __P((int)); |
| void setprotoent __P((int)); |
| /* void setservent __P((int)); */ |
| __END_DECLS |
| |
| #endif /* !_NETDB_H_ */ |