/* -*-C-*-

Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
    1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
    2017, 2018 Massachusetts Institute of Technology

This file is part of MIT/GNU Scheme.

MIT/GNU Scheme 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.

MIT/GNU Scheme 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 MIT/GNU Scheme; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
USA.

*/

#ifndef SCM_OSCTTY_H
#define SCM_OSCTTY_H

#include "os.h"

/* If this procedure returns 0, the interrupt control procedures will
   not work correctly. */
extern int OS_ctty_interrupt_control (void);

typedef unsigned int Tinterrupt_enables;
extern void OS_ctty_get_interrupt_enables (Tinterrupt_enables * mask);
extern void OS_ctty_set_interrupt_enables (Tinterrupt_enables * mask);

extern unsigned int OS_ctty_num_int_chars (void);
extern cc_t * OS_ctty_get_int_chars (void);
extern cc_t * OS_ctty_get_int_char_handlers (void);
extern void OS_ctty_set_int_chars (cc_t *);
extern void OS_ctty_set_int_char_handlers (cc_t *);

#endif /* SCM_OSCTTY_H */
