/**
 *
 * Copyright (C) 2009 SIP-Router.org
 *
 * This file is part of Extensible SIP Router, a free SIP server.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*!
 * \file
 * \brief SIP-router topoh ::
 * \ingroup topoh
 * Module: \ref topoh
 */

#ifndef _TH_MASK_H_
#define _TH_MASK_H_

#include "../../core/str.h"

void th_mask_init(void);
char* th_mask_encode(char *in, int ilen, str *prefix, int *olen);
char* th_mask_decode(char *in, int ilen, str *prefix, int extra, int *olen);

#endif
