/*- * 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. * * @(#)netdb.h 8.1 (Berkeley) 6/2/93 * netdb.h,v 1.4 1995/08/14 04:05:04 hjl Exp * - * 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-- */ #ifndef _NETDB_H_ #define _NETDB_H_ #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT) #include <stdio.h> #include <netinet/in.h> #endif #include <paths.h> #define _PATH_HEQUIV __PATH_ETC_INET"/hosts.equiv" #define _PATH_HOSTS __PATH_ETC_INET"/hosts" #define _PATH_NETWORKS __PATH_ETC_INET"/networks" #define _PATH_PROTOCOLS __PATH_ETC_INET"/protocols" #define _PATH_SERVICES __PATH_ETC_INET"/services" #define _PATH_RESCONF __PATH_ETC_INET"/resolv.conf" #define _PATH_RPC __PATH_ETC_INET"/rpc" /* * 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 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 # */ }; struct rpcent { char *r_name; /* name of server for this rpc program */ char **r_aliases; /* alias list */ int r_number; /* rpc program number */ }; #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT) #define __NETDB_MAXALIASES 35 #define __NETDB_MAXADDRS 35 /* * Error return codes from gethostbyname() and gethostbyaddr() * (left in extern int h_errno). */ #define h_errno (*__h_errno_location ()) #else extern int h_errno; #endif #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 */ #include <features.h> __BEGIN_DECLS void endhostent __P((void)); void endnetent __P((void)); void endprotoent __P((void)); void endservent __P((void)); void endrpcent __P ((void)); struct hostent *gethostbyaddr __P((__const char *, int, int)); struct hostent *gethostbyname __P((__const 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)); struct rpcent *getrpcent __P((void)); struct rpcent *getrpcbyname __P((__const char *)); struct rpcent *getrpcbynumber __P((int)); 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)); void setrpcent __P((int)); #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT) struct hostent *gethostbyaddr_r __P((const char *__addr, int __length, int __type, struct hostent *__result, char *__buffer, int __buflen, int *__h_errnop)); struct hostent *gethostbyname_r __P((const char * __name, struct hostent *__result, char *__buffer, int __buflen, int *__h_errnop)); struct hostent *gethostent_r __P((struct hostent *__result, char *__buffer, int __buflen, int *__h_errnop)); struct netent *getnetbyaddr_r __P((long __net, int __type, struct netent *__result, char *__buffer, int __buflen)); struct netent *getnetbyname_r __P((const char * __name, struct netent *__result, char *__buffer, int __buflen)); struct netent *getnetent_r __P((struct netent *__result, char *__buffer, int __buflen)); struct protoent *getprotobyname_r __P((const char * __name, struct protoent *__result, char *__buffer, int __buflen)); struct protoent *getprotobynumber_r __P((int __proto, struct protoent *__result, char *__buffer, int __buflen)); struct protoent *getprotoent_r __P((struct protoent *__result, char *__buffer, int __buflen)); struct servent *getservbyname_r __P((const char * __name, const char *__proto, struct servent *__result, char *__buffer, int __buflen)); struct servent *getservbyport_r __P((int __port, const char *__proto, struct servent *__result, char *__buffer, int __buflen)); struct servent *getservent_r __P((struct servent *__result, char *__buffer, int __buflen)); int *__h_errno_location __P((void)); #endif __END_DECLS #endif /* !_NETDB_H_ */