-#ifndef _IRG_WALK_FUNC_TYPEDEF_
-#define _IRG_WALK_FUNC_TYPEDEF_
-/** The type of the walk function */
-typedef void irg_walk_func(ir_node *, void *);
-#endif
+/** Access predecessor n, ignore keep-alives. */
+ir_node *get_Block_cfg_out (ir_node *node, int pos);
+
+/** Access predecessor n, honor keep-alives. */
+ir_node *get_Block_cfg_out_ka (ir_node *node, int pos);