/* * 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 #include #include 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 */