/* * 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 */