1/* Reverse IP address.
2   Copyright (C) 2006, 2007, 2008, 2009 Jan Rafaj, Sergey Poznyakoff
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 3, or (at your option)
7   any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
16
17module 'revip'.
18
19func revip(string ip)
20  returns string
21do
22  return inet_ntoa(ntohl(inet_aton(ip)))
23done
24