122 lines
3.8 KiB
C
122 lines
3.8 KiB
C
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#ifndef __NETDB_H__
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#define __NETDB_H__
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#ifndef _BSD_EXTENSION
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This header file is an extension to ANSI/POSIX
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#endif
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#pragma lib "/$M/lib/ape/libbsd.a"
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/*-
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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 are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* @(#)netdb.h 5.11 (Berkeley) 5/21/90
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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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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* 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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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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/* from 4.0 RPCSRC */
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struct rpcent {
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char *r_name; /* name of server for this rpc program */
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char **r_aliases; /* alias list */
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int r_number; /* rpc program number */
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};
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extern struct hostent *gethostbyname(const char *),
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*gethostbyaddr(const void *, int, int),
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*gethostent(void);
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extern struct netent *getnetbyname(const char *),
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*getnetbyaddr(long, int),
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*getnetent(void);
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extern struct servent *getservbyname(const char *, const char *),
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*getservbyport(int, const char *),
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*getservent(void);
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extern struct protoent *getprotobyname(const char *),
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*getprotobynumber(int),
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*getprotoent(void);
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extern struct rpcent *getrpcbyname(const char *),
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*getrpcbynumber(int),
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*getrpcent(void);
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extern void sethostent(int), endhostent(void),
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setnetent(int), endnetent(void),
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setservent(int), endservent(void),
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setprotoent(int), endprotoent(void),
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setrpcent(int), endrpcent(void);
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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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extern void herror(const char *);
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extern char *hstrerror(int);
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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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#define __HOST_SVC_NOT_AVAIL 99 /* libc internal use only */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__NETDB_H__ */
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