[unix-history] / include / netdb.h

/*-
 * Copyright (c) 1980, 1983, 1988 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	5.15 (Berkeley) 4/3/91
 */

#ifndef _NETDB_H_
#define _NETDB_H_

#define	_PATH_HEQUIV	"/etc/hosts.equiv"
#define	_PATH_HOSTS	"/etc/hosts"
#define	_PATH_NETWORKS	"/etc/networks"
#define	_PATH_PROTOCOLS	"/etc/protocols"
#define	_PATH_SERVICES	"/etc/services"

/*
 * 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 # */
};

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

#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 */

#include <sys/cdefs.h>

__BEGIN_DECLS
void		endhostent __P((void));
void		endnetent __P((void));
void		endprotoent __P((void));
void		endservent __P((void));
struct hostent	*gethostbyaddr __P((const char *, int, int));
struct hostent	*gethostbyname __P((char *));
struct hostent *gethostent __P((void));
struct netent	*getnetbyaddr __P((long, int)); /* u_long? */
struct netent	*getnetbyname __P((const char *));
struct netent	*getnetent __P((void));
struct protoent	*getprotobyname __P((const char *));
struct protoent	*getprotobynumber __P((int));
struct protoent	*getprotoent __P((void));
struct servent	*getservbyname __P((const char *, const char *));
struct servent	*getservbyport __P((int, const char *));
struct servent	*getservent __P((void));
void		herror __P((const char *));
void		sethostent __P((int));
/* void		sethostfile __P((const char *)); */
void		setnetent __P((int));
void		setprotoent __P((int));
void		setservent __P((int));
__END_DECLS

#endif /* !_NETDB_H_ */
Commit	Line	Data
15637ed4 RG	1	/*-
	2	* Copyright (c) 1980, 1983, 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)netdb.h 5.15 (Berkeley) 4/3/91
	34	*/
	35
	36	#ifndef _NETDB_H_
	37	#define _NETDB_H_
	38
	39	#define _PATH_HEQUIV "/etc/hosts.equiv"
	40	#define _PATH_HOSTS "/etc/hosts"
	41	#define _PATH_NETWORKS "/etc/networks"
	42	#define _PATH_PROTOCOLS "/etc/protocols"
	43	#define _PATH_SERVICES "/etc/services"
	44
	45	/*
	46	* Structures returned by network data base library. All addresses are
	47	* supplied in host order, and returned in network order (suitable for
	48	* use in system calls).
	49	*/
	50	struct hostent {
	51	char h_name; / official name of host */
	52	char *h_aliases; / alias list */
	53	int h_addrtype; /* host address type */
	54	int h_length; /* length of address */
	55	char *h_addr_list; / list of addresses from name server */
	56	#define h_addr h_addr_list[0] /* address, for backward compatiblity */
	57	};
	58
	59	/*
	60	* Assumption here is that a network number
	61	* fits in 32 bits -- probably a poor one.
	62	*/
	63	struct netent {
	64	char n_name; / official name of net */
65	char *n_aliases; / alias list */
66	int n_addrtype; /* net address type */
67	unsigned long n_net; /* network # */
68	};
69
70	struct servent {
71	char s_name; / official service name */
72	char *s_aliases; / alias list */
73	int s_port; /* port # */
74	char s_proto; / protocol to use */
75	};
76
77	struct protoent {
78	char p_name; / official protocol name */
79	char *p_aliases; / alias list */
80	int p_proto; /* protocol # */
81	};
82
83	/*
84	* Error return codes from gethostbyname() and gethostbyaddr()
85	* (left in extern int h_errno).
86	*/
87
88	#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
89	#define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */
90	#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
91	#define NO_DATA 4 /* Valid name, no data record of requested type */
92	#define NO_ADDRESS NO_DATA /* no address, look for MX record */
93
94	#include <sys/cdefs.h>
95
96	__BEGIN_DECLS
97	void endhostent __P((void));
98	void endnetent __P((void));
99	void endprotoent __P((void));
100	void endservent __P((void));
101	struct hostent gethostbyaddr __P((const char , int, int));
102	struct hostent gethostbyname __P((char ));
103	struct hostent *gethostent __P((void));
104	struct netent getnetbyaddr __P((long, int)); / u_long? */
105	struct netent getnetbyname __P((const char ));
106	struct netent *getnetent __P((void));
107	struct protoent getprotobyname __P((const char ));
108	struct protoent *getprotobynumber __P((int));
109	struct protoent *getprotoent __P((void));
110	struct servent getservbyname __P((const char , const char *));
111	struct servent getservbyport __P((int, const char ));
112	struct servent *getservent __P((void));
113	void herror __P((const char *));
114	void sethostent __P((int));
115	/* void sethostfile __P((const char )); /
116	void setnetent __P((int));
117	void setprotoent __P((int));
118	void setservent __P((int));
119	__END_DECLS
120
121	#endif /* !_NETDB_H_ */