ref: bf645afaac246967b9590ae7463f243c11d97480
dir: /sys/include/ape/netdb.h/
#ifndef __NETDB_H__ #define __NETDB_H__ #ifndef _BSD_EXTENSION This header file is an extension to ANSI/POSIX #endif #pragma lib "/$M/lib/ape/libbsd.a" /*- * 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: (1) source distributions retain this entire copyright * notice and comment, and (2) distributions including binaries display * the following acknowledgement: ``This product includes software * developed by the University of California, Berkeley and its contributors'' * in the documentation or other materials provided with the distribution * and in all advertising materials mentioning features or use of this * software. Neither the name of the University nor the names of its * contributors may 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)netdb.h 5.11 (Berkeley) 5/21/90 */ #ifdef __cplusplus extern "C" { #endif /* * 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 # */ }; /* from 4.0 RPCSRC */ struct rpcent { char *r_name; /* name of server for this rpc program */ char **r_aliases; /* alias list */ int r_number; /* rpc program number */ }; extern struct hostent *gethostbyname(const char *), *gethostbyaddr(const void *, int, int), *gethostent(void); extern struct netent *getnetbyname(const char *), *getnetbyaddr(long, int), *getnetent(void); extern struct servent *getservbyname(const char *, const char *), *getservbyport(int, const char *), *getservent(void); extern struct protoent *getprotobyname(const char *), *getprotobynumber(int), *getprotoent(void); extern struct rpcent *getrpcbyname(const char *), *getrpcbynumber(int), *getrpcent(void); extern void sethostent(int), endhostent(void), setnetent(int), endnetent(void), setservent(int), endservent(void), setprotoent(int), endprotoent(void), setrpcent(int), endrpcent(void); /* * Error return codes from gethostbyname() and gethostbyaddr() * (left in extern int h_errno). */ extern int h_errno; extern void herror(const char *); extern char *hstrerror(int); #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 */ #define __HOST_SVC_NOT_AVAIL 99 /* libc internal use only */ struct addrinfo { int ai_flags; /* Input flags. */ int ai_family; /* Protocol family for socket. */ int ai_socktype; /* Socket type. */ int ai_protocol; /* Protocol for socket. */ int ai_addrlen; /* Length of socket address. */ struct sockaddr *ai_addr; /* Socket address for socket. */ char *ai_canonname; /* Canonical name for service location. */ struct addrinfo *ai_next; /* Pointer to next in list. */ }; extern int getaddrinfo(char *, char *, struct addrinfo *, struct addrinfo **); extern void freeaddrinfo(struct addrinfo *); extern int getnameinfo(struct sockaddr *, int, char *, int, char *, int, unsigned int); extern char *gai_strerror(int); /* Possible values for `ai_flags' field in `addrinfo' structure. */ #define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */ #define AI_CANONNAME 0x0002 /* Request for canonical name. */ #define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */ #define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */ #define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */ #define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose returned address type.. */ #define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */ /* getnameinfo flags */ #define NI_NOFQDN 0x0001 /* Only the nodename portion of the FQDN is returned for local hosts. */ #define NI_NUMERICHOST 0x0002 /* The numeric form of the node's address is returned instead of its name. */ #define NI_NAMEREQD 0x0004 /* Return an error if the node's name cannot be located in the database. */ #define NI_NUMERICSERV 0x0008 /* The numeric form of the service address is returned instead of its name. */ #define NI_NUMERICSCOPE 0x0010 /* For IPv6 addresses, the numeric form of the scope identifier is returned instead of its name. */ #define NI_DGRAM 0x0020 /* Indicates that the service is a datagram service (SOCK_DGRAM). */ /* Error values for `getaddrinfo' and `getnameinfo' functions. */ #define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field */ #define EAI_NONAME -2 /* NAME or SERVICE is unknown */ #define EAI_AGAIN -3 /* Temporary failure in name resolution */ #define EAI_FAIL -4 /* Non-recoverable failure in name resolution */ #define EAI_NODATA -5 /* No address associated with NAME */ #define EAI_FAMILY -6 /* `ai_family' not supported */ #define EAI_SOCKTYPE -7 /* `ai_socktype' not supported */ #define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype' */ #define EAI_ADDRFAMILY -9 /* Address family for NAME not supported */ #define EAI_MEMORY -10 /* Memory allocation failure */ #define EAI_SYSTEM -11 /* System error returned in `errno' */ #define EAI_OVERFLOW -12 /* Argument buffer overflow */ #ifdef __cplusplus } #endif #endif /* !__NETDB_H__ */