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/* classes: h_files */
#ifndef SCM_VARIABLE_H
#define SCM_VARIABLE_H
/* Copyright (C) 1995,1996,2000,2001 Free Software Foundation, Inc.
*
* 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
#include "libguile/__scm.h"
#include "libguile/smob.h"
/* Variables
*/
#define SCM_VARIABLEP(X) (!SCM_IMP (X) && SCM_TYP7(X) == scm_tc7_variable)
#define SCM_VARIABLE_REF(V) SCM_CELL_OBJECT_1 (V)
#define SCM_VARIABLE_SET(V,X) SCM_SET_CELL_OBJECT_1 (V, X)
#define SCM_VARIABLE_LOC(V) ((SCM *) SCM_CELL_WORD_LOC ((V), 1))
SCM_API SCM scm_make_variable (SCM init);
SCM_API SCM scm_make_undefined_variable (void);
SCM_API SCM scm_variable_p (SCM obj);
SCM_API SCM scm_variable_ref (SCM var);
SCM_API SCM scm_variable_set_x (SCM var, SCM val);
SCM_API SCM scm_variable_bound_p (SCM var);
SCM_API void scm_i_variable_print (SCM var, SCM port, scm_print_state *pstate);
SCM_API void scm_init_variable (void);
#endif /* SCM_VARIABLE_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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