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Diffstat (limited to 'inet/netdb.h')
| -rw-r--r-- | inet/netdb.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/inet/netdb.h b/inet/netdb.h new file mode 100644 index 0000000..21caa89 --- /dev/null +++ b/inet/netdb.h @@ -0,0 +1,147 @@ +/*- + * 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 + * $Id$ + * - + * 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_ + +#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 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). + */ + +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 */ + +#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((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)); +void herror __P((const char *)); +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)); +__END_DECLS + +#endif /* !_NETDB_H_ */ |