/*
    This file is part of the FElt finite element analysis package.
    Copyright (C) 1993-2000 Jason I. Gobat and Darren C. Atkinson

    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 of the License, 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.
*/

/************************************************************************
 * File:	trap.h							*
 *									*
 * Description:	This file contains the function and type declarations	*
 *		for handling trapped variables.  A trapped variable is	*
 *		a variable that requires special processing, which is	*
 *		performed by the registered trap handler.		*
 ************************************************************************/

# ifndef _TRAP_H
# define _TRAP_H
# include "descriptor.h"		/* descriptor type */

typedef int (*TrapHandler) PROTO ((descriptor *, descriptor **));

extern int AddTrap  PROTO ((TrapHandler));
extern int CallTrap PROTO ((int, descriptor *, descriptor **));
extern int NumTraps PROTO ((void));

# endif /* _TRAP_H */