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diff --git a/libguile/vm-builtins.h b/libguile/vm-builtins.h
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+/* Copyright (C) 2013 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef _SCM_VM_BUILTINS_H_
+#define _SCM_VM_BUILTINS_H_
+
+#ifdef BUILDING_LIBGUILE
+
+#define FOR_EACH_VM_BUILTIN(M) \
+ M(apply, APPLY, 2, 0, 1) \
+ M(values, VALUES, 0, 0, 1) \
+ M(abort_to_prompt, ABORT_TO_PROMPT, 1, 0, 1) \
+ M(call_with_values, CALL_WITH_VALUES, 2, 0, 0) \
+ M(call_with_current_continuation, CALL_WITH_CURRENT_CONTINUATION, 1, 0, 0)
+
+/* These enumerated values are embedded in VM code, and as such are
+ part of Guile's ABI. */
+enum scm_vm_builtins
+{
+#define ENUM(builtin, BUILTIN, req, opt, rest) SCM_VM_BUILTIN_##BUILTIN,
+ FOR_EACH_VM_BUILTIN(ENUM)
+#undef ENUM
+ SCM_VM_BUILTIN_COUNT
+};
+
+SCM_INTERNAL SCM scm_vm_builtin_name_to_index (SCM name);
+SCM_INTERNAL SCM scm_vm_builtin_index_to_name (SCM idx);
+SCM_INTERNAL void scm_init_vm_builtin_properties (void);
+
+#endif /* BUILDING_LIBGUILE */
+
+#endif /* _SCM_VM_BUILTINS_H_ */