usr/src/stand/lib/sa/netdb.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
  28 /* All Rights Reserved */
  29
  30 /*
  31  * Portions of this source code were derived from Berkeley 4.3 BSD
  32  * under license from the Regents of the University of California.
  33  */
  34
  35 #ifndef _SA_NETDB_H
  36 #define _SA_NETDB_H
  37
  38 #pragma ident   "%Z%%M% %I%     %E% SMI"
  39
  40
  41 /*
  42  * Exported interfaces for standalone's subset of libnsl's <netdb.h>.
  43  * All standalone code *must* use this header rather than libnsl's.
  44  */
  45
  46 #ifdef __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 #define MAXHOSTNAMELEN  256
  51
  52 #define HOST_NOT_FOUND  1 /* Authoritive Answer Host not found */
  53 #define TRY_AGAIN       2 /* Non-Authoritive Host not found, or SERVERFAIL */
  54 #define NO_RECOVERY     3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
  55 #define NO_DATA         4 /* Valid name, no data record of requested type */
  56
  57 struct  hostent {
  58         char    *h_name;        /* official name of host */
  59         char    **h_aliases;    /* alias list */
  60         int     h_addrtype;     /* host address type */
  61         int     h_length;       /* length of address */
  62         char    **h_addr_list;  /* list of addresses from name server */
  63 #define h_addr  h_addr_list[0]  /* address, for backward compatiblity */
  64 };
  65
  66 extern int h_errno;
  67
  68 extern struct hostent *gethostbyname(const char *);
  69
  70 #ifdef __cplusplus
  71 }
  72 #endif
  73
  74 #endif /* _SA_NETDB_H */