genericopenlibs/cstdlib/LINC/NETDB.H
author Shabe Razvi <shaber@symbian.org>
Thu, 02 Sep 2010 17:14:31 +0100
branchRCL_3
changeset 58 104bd6aeae10
parent 0 e4d67989cc36
permissions -rw-r--r--
Merge RCL_3 fixes with reverted delivery
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/* NETDB.H
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 * 
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 * Portions Copyright (c) 1993-1999 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 */
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/*-
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 * Copyright (c) 1980, 1983, 1988, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *	This product includes software developed by the University of
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 *	California, Berkeley and its contributors.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies, and that
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 * the name of Digital Equipment Corporation not be used in advertising or
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 * publicity pertaining to distribution of the document or software without
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 * specific, written prior permission.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
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 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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 * SOFTWARE.
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 * -
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 * --Copyright--
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 */
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/** @file
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@publishedAll
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@released
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*/
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#ifndef _NETDB_H_
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#define _NETDB_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <_ansi.h>
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#include <sys/errno.h>
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#define	_PATH_HEQUIV	"/etc/hosts.equiv"
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#define	_PATH_HOSTS	"/etc/hosts"
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#define	_PATH_NETWORKS	"/etc/networks"
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#define	_PATH_PROTOCOLS	"/etc/protocols"
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#define	_PATH_SERVICES	"/etc/services"
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#define h_errno	errno
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/**
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Structures returned by network data base library.  All addresses are
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supplied in host order, and returned in network order (suitable for
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use in system calls).
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*/
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struct	hostent {
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	char	*h_name;	/* official name of host */
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	char	**h_aliases;	/* alias list */
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	int	h_addrtype;	/* host address type */
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	int	h_length;	/* length of address */
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	char	**h_addr_list;	/* list of addresses from name server */
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#define	h_addr	h_addr_list[0]	/* address, for backward compatibility */
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};
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/**
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Assumption here is that a network number
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fits in an unsigned long -- probably a poor one.
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*/
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struct	netent {
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	char		*n_name;	/* official name of net */
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	char		**n_aliases;	/* alias list */
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	int		n_addrtype;	/* net address type */
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	unsigned long	n_net;		/* network # */
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};
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struct	servent {
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	char	*s_name;	/* official service name */
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	char	**s_aliases;	/* alias list */
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	int	s_port;		/* port # */
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	char	*s_proto;	/* protocol to use */
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};
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struct	protoent {
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	char	*p_name;	/* official protocol name */
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	char	**p_aliases;	/* alias list */
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	int	p_proto;	/* protocol # */
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};
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/**
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Error return codes from gethostbyname() and gethostbyaddr()
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*/
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#define	NETDB_INTERNAL	-1	/* see errno */
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#define	NETDB_SUCCESS	0	/* no problem */
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#define	HOST_NOT_FOUND	ENOENT		/* Authoritative Answer Host not found */
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#define	TRY_AGAIN	ETIMEDOUT	/* Non-Authoritative Host not found, or SERVERFAIL */
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#define	NO_RECOVERY	ECOMM		/* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
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#define	NO_DATA		4		/* Valid name, no data record of requested type */
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#define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */
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IMPORT_C struct hostent	*gethostbyaddr (const char *, int, int);
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IMPORT_C struct hostent	*gethostbyname (const char *);
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struct servent	*getservbyname (const char *, const char *);
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struct servent	*getservbyport (int, const char *);
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struct netent	*getnetbyaddr (unsigned long, int);
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struct netent	*getnetbyname (const char *);
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struct protoent	*getprotobyname (const char *);
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struct protoent	*getprotobynumber (int);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_NETDB_H_ */