/*
 * Copyright (c) 1980, 1983, 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)netdb.h	5.10 (Berkeley) 6/27/88
 */

#ifndef NETDB_H
#define NETDB_H

/*
 * 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 32 bits -- 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 # */
};

struct rpcent {
	char	*r_name;	/* name of server for this rpc program */
	char	**r_aliases;	/* alias list */
	long	r_number;	/* rpc program number */
};

/* these are also declared in ss/socket.h */

struct netent *getnetbyaddr ( long, int );
struct netent *getnetbyname ( char * );
struct netent *getnetent ( void );
struct protoent *getprotobyname ( char * );
struct protoent *getprotobynumber ( int );
struct protoent *getprotoent ( void );
struct servent *getservent ( void );
struct servent *getservbyname ( char *, char * );
struct servent *getservbyport ( u_short, char * );



/*
 * Error return codes from gethostbyname() and gethostbyaddr()
 * (left in extern int h_errno).
 */

/* not currently implemented for the Amiga */

/*#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 */

#endif /* NETDB_H */