-extern int rod_effect(OBJECT_SUBTYPE_VALUE sval, DIRECTION dir, bool *use_charge, bool powerful, bool magic);
+extern int rod_effect(player_type *creature_ptr, OBJECT_SUBTYPE_VALUE sval, DIRECTION dir, bool *use_charge, bool powerful, bool magic);
extern void exe_zap_rod(player_type *creature_ptr, INVENTORY_IDX item);
extern void do_cmd_zap_rod(player_type *creature_ptr);