+/**
+ * Internal irgopt functions.
+ */
-void copy_node (ir_node *n, void *env);
+#ifndef _IRGOPT_T_H
+#define _IRGOPT_T_H
+
+//void copy_node (ir_node *n, void *env);
+void copy_preds(ir_node *n, void *env);
+void firm_copy_node (ir_node *n, void *env);
+
+#endif