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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libnetworking/] [netdb.h] - Rev 857
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/*- * Copyright (c) 1980, 1983, 1988, 1993 * The 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. * * - * Portions Copyright (c) 1993 by Digital Equipment Corporation. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * SOFTWARE. * - * --Copyright-- */ /* * @(#)netdb.h 8.1 (Berkeley) 6/2/93 * From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $ * $Id: netdb.h,v 1.2 2001-09-27 12:01:48 chris Exp $ */ #ifndef _NETDB_H_ #define _NETDB_H_ #include <sys/cdefs.h> #ifndef _PATH_HEQUIV # define _PATH_HEQUIV "/etc/hosts.equiv" #endif #define _PATH_HOSTS "/etc/hosts" #define _PATH_NETWORKS "/etc/networks" #define _PATH_PROTOCOLS "/etc/protocols" #define _PATH_SERVICES "/etc/services" extern int h_errno; /* * 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 compatibility */ }; /* * Assumption here is that a network number * fits in an unsigned long -- 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 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-Authoritative 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 */ __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((const char *)); struct hostent *gethostbyname2 __P((const char *, int)); struct hostent *gethostent __P((void)); struct netent *getnetbyaddr __P((unsigned long, int)); 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 *)); __const char *hstrerror __P((int)); void sethostent __P((int)); /* void sethostfile __P((const char *)); */ void setnetent __P((int)); void setprotoent __P((int)); void setservent __P((int)); /* * PRIVATE functions specific to the FreeBSD implementation */ /* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */ void _sethosthtent __P((int)); void _endhosthtent __P((void)); void _sethostdnsent __P((int)); void _endhostdnsent __P((void)); void _setnethtent __P((int)); void _endnethtent __P((void)); void _setnetdnsent __P((int)); void _endnetdnsent __P((void)); struct hostent * _gethostbyhtname __P((const char *, int)); struct hostent * _gethostbydnsname __P((const char *, int)); struct hostent * _gethostbynisname __P((const char *, int)); struct hostent * _gethostbyhtaddr __P((const char *, int, int)); struct hostent * _gethostbydnsaddr __P((const char *, int, int)); struct hostent * _gethostbynisaddr __P((const char *, int, int)); struct netent * _getnetbyhtname __P((const char *)); struct netent * _getnetbydnsname __P((const char *)); struct netent * _getnetbynisname __P((const char *)); struct netent * _getnetbyhtaddr __P((unsigned long, int)); struct netent * _getnetbydnsaddr __P((unsigned long, int)); struct netent * _getnetbynisaddr __P((unsigned long, int)); void _map_v4v6_address __P((const char *src, char *dst)); void _map_v4v6_hostent __P((struct hostent *hp, char **bp, int *len)); __END_DECLS #endif /* !_NETDB_H_ */
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