netdb.h
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上传用户:luoyougen
上传日期:2008-05-12
资源大小:23136k
文件大小:5k
源码类别:
VxWorks
开发平台:
C/C++
- /* netdb.h - server entries and the like for routed/rip */
- /*-
- * 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: netdb.h,v 4.9.1.2 1993/05/17 09:59:01 vixie 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--
- */
- /*
- modification history
- --------------------
- 01d,19aug97,jag Added the field h_ttl to the structure hostent.
- 01c,29apr97,jag fixed include define and added C++ linkage. Changed field
- names of struc netnet to avoid conflict with i960 macros.
- 01b,24feb97,jag changed comment.
- 01a,26nov96,gnn created from BSD4.4 routed
- */
- #ifndef __INCnetdbh
- #define __INCnetdbh
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 1 /* tell gcc960 not to optimize alignments */
- #endif /* CPU_FAMILY==I960 */
- /*
- * 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 */
- unsigned int h_ttl; /* Time to Live in Seconds for this entry */
- };
- /*
- * Assumption here is that a network number
- * fits in an unsigned long -- probably a poor one.
- */
- struct netent {
- char * nName; /* official name of net */
- char ** nAliases; /* alias list */
- int nAddrtype; /* net address type */
- unsigned long nNet; /* 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 # */
- };
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 0 /* turn off alignment requirement */
- #endif /* CPU_FAMILY==I960 */
- /*
- * Error return codes from res_query.c
- */
- #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 */
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCnetdbh */