OpenSolaris_b135/lib/libresolv/netdb.h
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1996 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley 4.3 BSD
* under license from the Regents of the University of California.
*/
/*
* 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).
*/
#ifndef _NETDB_H
#define _NETDB_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#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"
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 # */
};
#ifdef __STDC__
struct hostent *gethostbyname_r
(const char *, struct hostent *, char *, int, int *h_errnop);
struct hostent *gethostbyaddr_r
(const char *, int, int, struct hostent *, char *, int, int *h_errnop);
struct hostent *gethostent_r(struct hostent *, char *, int, int *h_errnop);
struct servent *getservbyname_r
(const char *name, const char *, struct servent *, char *, int);
struct servent *getservbyport_r
(int port, const char *, struct servent *, char *, int);
struct servent *getservent_r(struct servent *, char *, int);
struct netent *getnetbyname_r
(const char *, struct netent *, char *, int);
struct netent *getnetbyaddr_r(long, int, struct netent *, char *, int);
struct netent *getnetent_r(struct netent *, char *, int);
struct protoent *getprotobyname_r
(const char *, struct protoent *, char *, int);
struct protoent *getprotobynumber_r
(int, struct protoent *, char *, int);
struct protoent *getprotoent_r(struct protoent *, char *, int);
int getnetgrent_r(char **, char **, char **, char *, int);
int innetgr(const char *, const char *, const char *, const char *);
/* Old interfaces that return a pointer to a static area; MT-unsafe */
struct hostent *gethostbyname(const char *);
struct hostent *gethostbyaddr(const char *, int, int);
struct hostent *gethostent(void);
struct netent *getnetbyname(const char *);
struct netent *getnetbyaddr(long, int);
struct netent *getnetent(void);
struct servent *getservbyname(const char *, const char *);
struct servent *getservbyport(int, const char *);
struct servent *getservent(void);
struct protoent *getprotobyname(const char *);
struct protoent *getprotobynumber(int);
struct protoent *getprotoent(void);
int getnetgrent(char **, char **, char **);
int sethostent(int);
int endhostent(void);
int setnetent(int);
int endnetent(void);
int setservent(int);
int endservent(void);
int setprotoent(int);
int endprotoent(void);
int setnetgrent(const char *);
int endnetgrent(void);
int rcmd(char **ahost, unsigned short inport,
const char *luser, const char *ruser, const char *cmd, int *fd2p);
int rexec(char **ahost, unsigned short inport,
const char *user, const char *passwd, const char *cmd, int *fd2p);
int rresvport(int *);
int ruserok(const char *rhost, int suser, const char *ruser, const char *luser);
#else
struct hostent *gethostbyname_r();
struct hostent *gethostbyaddr_r();
struct hostent *gethostent_r();
struct servent *getservbyname_r();
struct servent *getservbyport_r();
struct servent *getservent_r();
struct netent *getnetbyname_r();
struct netent *getnetbyaddr_r();
struct netent *getnetent_r();
struct protoent *getprotobyname_r();
struct protoent *getprotobynumber_r();
struct protoent *getprotoent_r();
int getnetgrent_r();
int innetgr();
/* Old interfaces that return a pointer to a static area; MT-unsafe */
struct hostent *gethostbyname();
struct hostent *gethostbyaddr();
struct hostent *gethostent();
struct netent *getnetbyname();
struct netent *getnetbyaddr();
struct netent *getnetent();
struct servent *getservbyname();
struct servent *getservbyport();
struct servent *getservent();
struct protoent *getprotobyname();
struct protoent *getprotobynumber();
struct protoent *getprotoent();
int getnetgrent();
int sethostent();
int endhostent();
int setnetent();
int endnetent();
int setservent();
int endservent();
int setprotoent();
int endprotoent();
int setnetgrent();
int endnetgrent();
int rcmd();
int rexec();
int rresvport();
int ruserok();
#endif
/*
* Error return codes from gethostbyname() and gethostbyaddr()
* (when using the resolver)
*/
extern int h_errno;
#define HOST_NOT_FOUND 1 /* Authoritive 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 */
#define MAXHOSTNAMELEN 256
#define MAXALIASES 35
#define MAXADDRS 35
#ifdef __cplusplus
}
#endif
#endif /* _NETDB_H */