142267Sbostic /*- 2*61068Sbostic * Copyright (c) 1980, 1983, 1988, 1993 3*61068Sbostic * The Regents of the University of California. All rights reserved. 423533Smckusick * 542267Sbostic * %sccs.include.redist.c% 633940Skarels * 7*61068Sbostic * @(#)netdb.h 8.1 (Berkeley) 06/02/93 861025Skarels * $Id: netdb.h,v 4.9.1.2 1993/05/17 09:59:01 vixie Exp $ 961025Skarels * - 1061025Skarels * Portions Copyright (c) 1993 by Digital Equipment Corporation. 1161025Skarels * 1261025Skarels * Permission to use, copy, modify, and distribute this software for any 1361025Skarels * purpose with or without fee is hereby granted, provided that the above 1461025Skarels * copyright notice and this permission notice appear in all copies, and that 1561025Skarels * the name of Digital Equipment Corporation not be used in advertising or 1661025Skarels * publicity pertaining to distribution of the document or software without 1761025Skarels * specific, written prior permission. 1861025Skarels * 1961025Skarels * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL 2061025Skarels * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES 2161025Skarels * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT 2261025Skarels * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 2361025Skarels * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 2461025Skarels * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 2561025Skarels * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 2661025Skarels * SOFTWARE. 2761025Skarels * - 2861025Skarels * --Copyright-- 2923533Smckusick */ 3023533Smckusick 3147773Sbostic #ifndef _NETDB_H_ 3247773Sbostic #define _NETDB_H_ 3347773Sbostic 3442267Sbostic #define _PATH_HEQUIV "/etc/hosts.equiv" 3542267Sbostic #define _PATH_HOSTS "/etc/hosts" 3642267Sbostic #define _PATH_NETWORKS "/etc/networks" 3742267Sbostic #define _PATH_PROTOCOLS "/etc/protocols" 3842267Sbostic #define _PATH_SERVICES "/etc/services" 3942267Sbostic 4023533Smckusick /* 4142267Sbostic * Structures returned by network data base library. All addresses are 4242267Sbostic * supplied in host order, and returned in network order (suitable for 4342267Sbostic * use in system calls). 448308Ssam */ 458308Ssam struct hostent { 468308Ssam char *h_name; /* official name of host */ 478308Ssam char **h_aliases; /* alias list */ 488308Ssam int h_addrtype; /* host address type */ 498308Ssam int h_length; /* length of address */ 5042267Sbostic char **h_addr_list; /* list of addresses from name server */ 5142267Sbostic #define h_addr h_addr_list[0] /* address, for backward compatiblity */ 528308Ssam }; 538308Ssam 548308Ssam /* 558308Ssam * Assumption here is that a network number 5661025Skarels * fits in an unsigned long -- probably a poor one. 578308Ssam */ 588308Ssam struct netent { 5927927Slepreau char *n_name; /* official name of net */ 6027927Slepreau char **n_aliases; /* alias list */ 6127927Slepreau int n_addrtype; /* net address type */ 6227927Slepreau unsigned long n_net; /* network # */ 638308Ssam }; 648308Ssam 658308Ssam struct servent { 668308Ssam char *s_name; /* official service name */ 678308Ssam char **s_aliases; /* alias list */ 688308Ssam int s_port; /* port # */ 698308Ssam char *s_proto; /* protocol to use */ 708308Ssam }; 718308Ssam 728308Ssam struct protoent { 738308Ssam char *p_name; /* official protocol name */ 748308Ssam char **p_aliases; /* alias list */ 758308Ssam int p_proto; /* protocol # */ 768308Ssam }; 778308Ssam 7825399Skjd /* 7925399Skjd * Error return codes from gethostbyname() and gethostbyaddr() 8033940Skarels * (left in extern int h_errno). 8125399Skjd */ 8225399Skjd 8333940Skarels #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */ 8425399Skjd #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */ 8525399Skjd #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ 8633940Skarels #define NO_DATA 4 /* Valid name, no data record of requested type */ 8733940Skarels #define NO_ADDRESS NO_DATA /* no address, look for MX record */ 8846515Sdonn 8946515Sdonn #include <sys/cdefs.h> 9046515Sdonn 9146515Sdonn __BEGIN_DECLS 9246515Sdonn void endhostent __P((void)); 9346515Sdonn void endnetent __P((void)); 9446515Sdonn void endprotoent __P((void)); 9546515Sdonn void endservent __P((void)); 9646620Sbostic struct hostent *gethostbyaddr __P((const char *, int, int)); 9753070Sbostic struct hostent *gethostbyname __P((const char *)); 9861025Skarels struct hostent *gethostent __P((void)); 9946515Sdonn struct netent *getnetbyaddr __P((long, int)); /* u_long? */ 10046515Sdonn struct netent *getnetbyname __P((const char *)); 10146515Sdonn struct netent *getnetent __P((void)); 10246515Sdonn struct protoent *getprotobyname __P((const char *)); 10346515Sdonn struct protoent *getprotobynumber __P((int)); 10446515Sdonn struct protoent *getprotoent __P((void)); 10546515Sdonn struct servent *getservbyname __P((const char *, const char *)); 10646515Sdonn struct servent *getservbyport __P((int, const char *)); 10746515Sdonn struct servent *getservent __P((void)); 10846515Sdonn void herror __P((const char *)); 10961025Skarels char *hstrerror __P((int)); 11046515Sdonn void sethostent __P((int)); 11146515Sdonn /* void sethostfile __P((const char *)); */ 11246515Sdonn void setnetent __P((int)); 11346515Sdonn void setprotoent __P((int)); 11446515Sdonn void setservent __P((int)); 11546515Sdonn __END_DECLS 11647773Sbostic 11747773Sbostic #endif /* !_NETDB_H_ */ 118