<?php
// ----------------------------------------------------------------------
// Copyright (C) 2007 by GREGORY LE BRAS
// ----------------------------------------------------------------------
// LICENSE
//
// This file is part of ODCNMS - Open DataCenter Network Management System
// 
// ODCNMS is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// Foobar is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with Foobar; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
// ----------------------------------------------------------------------
// Original Author of file: GREGORY LE BRAS - http://www.odcnms.org/
// ----------------------------------------------------------------------

// Functions to get the host name corresponding to a given IP address

// For Linux...

function gethost ($ip) {
 $host = `host $ip`;
 return (($host ? end ( explode (' ', $host)) : $ip));
}

// For Win32...

function nslookup ($ip) {
 $host = split('Name:',`nslookup $ip`);
 return ( trim (isset($host[1]) ? str_replace ("\n".'Address:  '.$ip, '', $host[1]) : $ip));
}
?>