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diff --git a/src/instructions.h b/src/instructions.h
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+/* Copyright (C) 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.  */
+
+#ifndef _SCM_INSTRUCTIONS_H_
+#define _SCM_INSTRUCTIONS_H_
+
+#include <libguile.h>
+
+enum scm_opcode {
+#define VM_INSTRUCTION_TO_OPCODE 1
+#include "vm_expand.h"
+#include "vm_system.i"
+#include "vm_scheme.i"
+#include "vm_loader.i"
+#undef VM_INSTRUCTION_TO_OPCODE
+  scm_op_last
+};
+
+struct scm_instruction {
+  enum scm_opcode opcode;	/* opcode */
+  const char *name;		/* instruction name */
+  signed char len;		/* Instruction length.  This may be -1 for
+				   the loader (see the `VM_LOADER'
+				   macro).  */
+  signed char npop;		/* The number of values popped.  This may be
+				   -1 for insns like `call' which can take
+				   any number of arguments.  */
+  char npush;			/* the number of values pushed */
+};
+
+#define SCM_INSTRUCTION_P(x)		(scm_lookup_instruction (x))
+#define SCM_INSTRUCTION_OPCODE(i)	(scm_lookup_instruction (i)->opcode)
+#define SCM_INSTRUCTION_NAME(i)		(scm_lookup_instruction (i)->name)
+#define SCM_INSTRUCTION_LENGTH(i)	(scm_lookup_instruction (i)->len)
+#define SCM_INSTRUCTION_POPS(i)		(scm_lookup_instruction (i)->npop)
+#define SCM_INSTRUCTION_PUSHES(i)	(scm_lookup_instruction (i)->npush)
+#define SCM_VALIDATE_INSTRUCTION(p,x)	SCM_MAKE_VALIDATE (p, x, INSTRUCTION_P)
+
+#define SCM_INSTRUCTION(i)		(&scm_instruction_table[i])
+
+extern struct scm_instruction scm_instruction_table[];
+extern struct scm_instruction *scm_lookup_instruction (SCM name);
+
+extern void scm_init_instructions (void);
+
+#endif /* _SCM_INSTRUCTIONS_H_ */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/