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diff --git a/libguile/variable.h b/libguile/variable.h
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+/* classes: h_files */
+
+#ifndef VARIABLEH
+#define VARIABLEH
+/* Copyright (C) 1995,1996 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_UDSCM_VARIABLEP(X) (SCM_VARIABLEP(X) && SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X))))
+#define SCM_DEFSCM_VARIABLEP(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 */