170 lines
6.5 KiB
C
170 lines
6.5 KiB
C
#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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struct addrinfo {
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int ai_flags; /* Input flags. */
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int ai_family; /* Protocol family for socket. */
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int ai_socktype; /* Socket type. */
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int ai_protocol; /* Protocol for socket. */
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int ai_addrlen; /* Length of socket address. */
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struct sockaddr *ai_addr; /* Socket address for socket. */
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char *ai_canonname; /* Canonical name for service location. */
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struct addrinfo *ai_next; /* Pointer to next in list. */
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};
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extern int getaddrinfo(char *, char *, struct addrinfo *, struct addrinfo **);
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extern void freeaddrinfo(struct addrinfo *);
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extern int getnameinfo(struct sockaddr *, int, char *, int, char *, int, unsigned int);
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extern char *gai_strerror(int);
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/* Possible values for `ai_flags' field in `addrinfo' structure. */
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#define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
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#define AI_CANONNAME 0x0002 /* Request for canonical name. */
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#define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */
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#define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */
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#define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */
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#define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose returned address type.. */
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#define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */
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/* getnameinfo flags */
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#define NI_NOFQDN 0x0001 /* Only the nodename portion of the FQDN is returned for local hosts. */
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#define NI_NUMERICHOST 0x0002 /* The numeric form of the node's address is returned instead of its name. */
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#define NI_NAMEREQD 0x0004 /* Return an error if the node's name cannot be located in the database. */
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#define NI_NUMERICSERV 0x0008 /* The numeric form of the service address is returned instead of its name. */
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#define NI_NUMERICSCOPE 0x0010 /* For IPv6 addresses, the numeric form of the scope identifier is returned
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instead of its name. */
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#define NI_DGRAM 0x0020 /* Indicates that the service is a datagram service (SOCK_DGRAM). */
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/* Error values for `getaddrinfo' and `getnameinfo' functions. */
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#define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field */
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#define EAI_NONAME -2 /* NAME or SERVICE is unknown */
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#define EAI_AGAIN -3 /* Temporary failure in name resolution */
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#define EAI_FAIL -4 /* Non-recoverable failure in name resolution */
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#define EAI_NODATA -5 /* No address associated with NAME */
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#define EAI_FAMILY -6 /* `ai_family' not supported */
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#define EAI_SOCKTYPE -7 /* `ai_socktype' not supported */
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#define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype' */
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#define EAI_ADDRFAMILY -9 /* Address family for NAME not supported */
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#define EAI_MEMORY -10 /* Memory allocation failure */
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#define EAI_SYSTEM -11 /* System error returned in `errno' */
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#define EAI_OVERFLOW -12 /* Argument buffer overflow */
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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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