#define SCM_OBJCODE_FD(x) (SCM_OBJCODE_DATA (x)->fd)
extern SCM scm_load_objcode (SCM file);
-extern SCM scm_objcode_to_program (SCM objcode);
+extern SCM scm_objcode_to_program (SCM objcode, SCM external);
extern SCM scm_objcode_p (SCM obj);
extern SCM scm_bytecode_to_objcode (SCM bytecode, SCM nlocs, SCM nexts);
extern SCM scm_objcode_to_u8vector (SCM objcode);