129 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*-
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|  * Copyright (c) 1980, 1983, 1988 Regents of the University of California.
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|  * 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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|  *	@(#)netdb.h	5.15 (Berkeley) 4/3/91
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|  */
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| 
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| #ifndef _NETDB_H_
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| #define _NETDB_H_
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| 
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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	_PATH_SERVACCES	"/etc/serv.access"
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| 
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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 compatiblity */
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| };
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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 32 bits -- 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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| 
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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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| 
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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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| /*
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|  * Error return codes from gethostbyname() and gethostbyaddr()
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|  * (left in extern int h_errno).
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|  */
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| extern int h_errno;
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| 
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| #define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */
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| #define	TRY_AGAIN	2 /* Non-Authoritive Host not found, or SERVERFAIL */
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| #define	NO_RECOVERY	3 /* 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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| 
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| #ifndef _ANSI_H
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| #include <ansi.h>
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| #endif
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| 
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| void		endhostent _ARGS((void));
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| void		endnetent _ARGS((void));
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| void		endprotoent _ARGS((void));
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| void		endservent _ARGS((void));
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| struct hostent	*gethostbyaddr _ARGS((const char *, int, int));
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| struct hostent	*gethostbyname _ARGS((const char *));
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| struct hostent	*gethostent _ARGS((void));
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| struct netent	*getnetbyaddr _ARGS((long, int)); /* u_long? */
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| struct netent	*getnetbyname _ARGS((const char *));
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| struct netent	*getnetent _ARGS((void));
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| struct protoent	*getprotobyname _ARGS((const char *));
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| struct protoent	*getprotobynumber _ARGS((int));
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| struct protoent	*getprotoent _ARGS((void));
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| struct servent	*getservbyname _ARGS((const char *, const char *));
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| struct servent	*getservbyport _ARGS((int, const char *));
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| struct servent	*getservent _ARGS((void));
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| void		herror _ARGS((const char *));
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| void		sethostent _ARGS((int));
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| /* void		sethostfile _ARGS((const char *)); */
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| void		setnetent _ARGS((int));
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| void		setprotoent _ARGS((int));
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| void		setservent _ARGS((int));
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| #ifdef _MINIX
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| int		servxcheck _ARGS((unsigned long _peer, const char *_service,
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| 			void (*_logf) _ARGS((int _pass, const char *_name))));
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| char		*servxfile _ARGS((const char *_file));
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| #endif
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| 
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| #endif /* !_NETDB_H_ */
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