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- /* classes: h_files */
-
- #ifndef VARIABLEH
- #define VARIABLEH
- /* Copyright (C) 1995 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, 675 Mass Ave, Cambridge, MA 02139, 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 "__scm.h"
-
-
-
-
- /* Variables
- */
- extern int scm_tc16_variable;
-
- #define SCM_VARVCELL(V) SCM_CDR(V)
- #define SCM_VARIABLEP(X) (scm_tc16_variable == SCM_CAR(X))
- #define SCM_UDVARIABLEP(X) (SCM_VARIABLEP(X) && SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X))))
- #define SCM_DEFVARIABLEP(X) (SCM_VARIABLEP(X) && !SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X))))
-
-
- #ifdef __STDC__
- extern SCM scm_make_variable (SCM init, SCM name_hint);
- extern SCM scm_make_udvariable (SCM name_hint);
- extern SCM scm_variable_p (SCM obj);
- extern SCM scm_variable_ref (SCM var);
- extern SCM scm_variable_set_x (SCM var, SCM val);
- extern SCM scm_builtin_variable (SCM name);
- extern SCM scm_variable_bound_p (SCM var);
- extern void scm_init_variable (void);
-
- #else /* STDC */
- extern SCM scm_make_variable ();
- extern SCM scm_make_udvariable ();
- extern SCM scm_variable_p ();
- extern SCM scm_variable_ref ();
- extern SCM scm_variable_set_x ();
- extern SCM scm_builtin_variable ();
- extern SCM scm_variable_bound_p ();
- extern void scm_init_variable ();
-
- #endif /* STDC */
-
-
-
-
-
- #endif /* VARIABLEH */
-