/*
 *
 * e x t e n d . h			-- All the stuff dealing with 
 *					   extended types
 *
 * Copyright © 1993-1996 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
 * 
 *
 * Permission to use, copy, and/or distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that both the above copyright notice and this permission notice appear in
 * all copies and derived works.  Fees for distribution or use of this
 * software or derived works may only be charged with express written
 * permission of the copyright holder.  
 * This software is provided ``as is'' without express or implied warranty.
 *
 * This software is a derivative work of other copyrighted softwares; the
 * copyright notices of these softwares are placed in the file COPYRIGHTS
 *
 *
 *           Author: Erick Gallesio [eg@kaolin.unice.fr]
 *    Creation date: 15-Mar-1995 11:36
 * Last file update: 23-Dec-1996 11:52
 */


void  STk_extended_mark(SCM x);
void  STk_extended_sweep(SCM x);
SCM   STk_extended_apply(SCM x, SCM args, SCM env);
void  STk_extended_display(SCM x, SCM port, int mode);
int   STk_extended_procedurep(SCM x);
int   STk_extended_eval_parameters(SCM x);
SCM   STk_extended_compare(SCM x, SCM y, int equalp);
char *STk_get_extended_name(int i);

#ifdef USE_STKLOS
void STk_register_extended_class(SCM c, int type_index);
SCM  STk_extended_class_of(SCM obj);   /* Warning: obj MUST be an extd type */
#endif


void  STk_Cpointer_display(SCM obj, SCM port, int mode);

SCM   STk_apply_getter_C_variable(char *var);
void  STk_apply_setter_C_variable(char *var, SCM value);