Current File : //proc/thread-self/root/usr/include/bind9/bind9/getaddresses.h
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef BIND9_GETADDRESSES_H
#define BIND9_GETADDRESSES_H 1
/*! \file bind9/getaddresses.h */
#include <isc/lang.h>
#include <isc/types.h>
#include <isc/net.h>
ISC_LANG_BEGINDECLS
isc_result_t
bind9_getaddresses(const char *hostname, in_port_t port,
isc_sockaddr_t *addrs, int addrsize, int *addrcount);
/*%<
* Use the system resolver to get the addresses associated with a hostname.
* If successful, the number of addresses found is returned in 'addrcount'.
* If a hostname lookup is performed and addresses of an unknown family is
* seen, it is ignored. If more than 'addrsize' addresses are seen, the
* first 'addrsize' are returned and the remainder silently truncated.
*
* This routine may block. If called by a program using the isc_app
* framework, it should be surrounded by isc_app_block()/isc_app_unblock().
*
* Requires:
*\li 'hostname' is not NULL.
*\li 'addrs' is not NULL.
*\li 'addrsize' > 0
*\li 'addrcount' is not NULL.
*
*
* Returns:
*\li #ISC_R_SUCCESS
*\li #ISC_R_NOTFOUND
*\li #ISC_R_FAMILYNOSUPPORT - 'hostname' is an IPv6 address, and IPv6 is
* not supported.
*/
ISC_LANG_ENDDECLS
#endif /* BIND9_GETADDRESSES_H */
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