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- /*-
- * 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
-
- /* Freenet programmers interface - netdb.h - edited by andy 23/5/95 */
-
- #include "sys/types.h"
-
- /*
- * Maximum length of a hostname
- */
- #define MAXHOSTNAMELEN 256
-
- /*
- * 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 */
- };
-
- /*
- * Structure describing a network entry
- */
- struct netent {
- char *n_name; /* Official name of this network */
- char **n_aliases; /* Alternative names for network */
- int n_addrtype; /* Network address type */
- u_long n_net; /* Network number */
- };
-
- /*
- * Structure describing a service entry
- */
- struct servent {
- char *s_name; /* Official name of service */
- char **s_aliases; /* Alternative names for service */
- int s_port; /* Port number to use */
- char *s_proto; /* Protocol to use */
- };
-
- /*
- * Structure describing a protocol entry
- */
- struct protoent {
- char *p_name; /* Official protocol name */
- char **p_aliases; /* Alternative names for protocol */
- int p_proto; /* Protocol number */
- };
-
- struct rpcent {
- char *r_name; /* name of server for this rpc program */
- char **r_aliases; /* alias list */
- int r_number; /* rpc program number */
- };
-
- /*
- * Error return codes from gethostbyname() and gethostbyaddr()
- * (left in extern int h_errno).
- */
- #define NETDB_INTERNAL -1 /* see errno */
- #define NETDB_SUCCESS 0 /* no problem */
- #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 */
-
- /*
- * Routines to fetch host entries
- */
- extern int sethostent(int /*stayopen*/);
- extern struct hostent *gethostent(void);
- extern int endhostent(void);
- extern struct hostent *gethostbyname(const char */*name*/);
- extern struct hostent *gethostbyaddr(const char */*addr*/, int /*len*/, int /*type*/);
-
- /*
- * Routines to fetch network entries
- */
- extern int setnetent(int /*stayopen*/);
- extern struct netent *getnetent(void);
- extern int endnetent(void);
- extern struct netent *getnetbyname(const char */*name*/);
- extern struct netent *getnetbyaddr(long /*net*/, int /*type*/);
-
- /*
- * Routines to fetch service entries
- */
- extern int setservent(int /*stayopen*/);
- extern struct servent *getservent(void);
- extern int endservent(void);
- extern struct servent *getservbyname(const char */*name*/, const char */*proto*/);
- extern struct servent *getservbyport(int /*port*/, const char */*proto*/);
-
- /*
- * Routines to fetch protocol entries
- */
- extern int setprotoent(int /*stayopen*/);
- extern struct protoent *getprotoent(void);
- extern int endprotoent(void);
- extern struct protoent *getprotobyname(const char */*name*/);
- extern struct protoent *getprotobynumber(int /*proto*/);
-
- /*
- * Routines to fetch rpc entries - coming soon..
- */
- extern int setrpcent(int /*stayopen*/);
- extern struct rpcent *getrpcent(void);
- extern int endrpcent(void);
- extern struct rpcent *getrpcbyname(const char */*name*/);
- extern struct rpcent *getrpcbynumber(int /*proto*/);
-
- #endif
-