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#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__ */
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