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/* $Id: isdn_tty.h,v 1.1 2005-12-20 10:16:56 jcastillo Exp $
 
 * header for Linux ISDN subsystem, tty related functions (linklevel).
 *
 * Copyright 1994-1998  by Fritz Elfert (fritz@isdn4linux.de)
 * Copyright 1995,96    by Thinking Objects Software GmbH Wuerzburg
 *
 * This program 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, or (at your option)
 * any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Log: not supported by cvs2svn $
 * Revision 1.1.1.1  2001/09/10 07:44:18  simons
 * Initial import
 *
 * Revision 1.1.1.1  2001/07/02 17:58:31  simons
 * Initial revision
 *
 * Revision 1.10.2.2  1998/11/05 22:12:25  fritz
 * Changed mail-address.
 *
 * Revision 1.10.2.1  1998/10/25 15:48:44  fritz
 * Misc bugfixes and adaptions to new HiSax
 *
 * Revision 1.10  1997/03/02 14:29:26  fritz
 * More ttyI related cleanup.
 *
 * Revision 1.9  1997/02/28 02:32:49  fritz
 * Cleanup: Moved some tty related stuff from isdn_common.c
 *          to isdn_tty.c
 * Bugfix:  Bisync protocol did not behave like documented.
 *
 * Revision 1.8  1997/02/10 20:12:50  fritz
 * Changed interface for reporting incoming calls.
 *
 * Revision 1.7  1997/02/03 23:06:10  fritz
 * Reformatted according CodingStyle
 *
 * Revision 1.6  1997/01/14 01:35:19  fritz
 * Changed prototype of isdn_tty_modem_hup.
 *
 * Revision 1.5  1996/05/17 03:52:31  fritz
 * Changed DLE handling for audio receive.
 *
 * Revision 1.4  1996/05/11 21:52:34  fritz
 * Changed queue management to use sk_buffs.
 *
 * Revision 1.3  1996/05/07 09:16:34  fritz
 * Changed isdn_try_read parameter.
 *
 * Revision 1.2  1996/04/30 21:05:27  fritz
 * Test commit
 *
 * Revision 1.1  1996/01/10 21:39:22  fritz
 * Initial revision
 *
 */
 
extern void isdn_tty_modem_escape(void);
extern void isdn_tty_modem_ring(void);
extern void isdn_tty_modem_xmit(void);
extern int isdn_tty_modem_init(void);
extern void isdn_tty_readmodem(void);
extern int isdn_tty_find_icall(int, isdn_ctrl *);
extern void isdn_tty_cleanup_xmit(modem_info *);
extern int isdn_tty_stat_callback(int, isdn_ctrl *);
extern int isdn_tty_rcv_skb(int, int, int, struct sk_buff *);