pub unsafe fn cost_windowagg(
arg_path: *mut Path,
arg_root: *mut PlannerInfo,
arg_windowFuncs: *mut List,
arg_numPartCols: c_int,
arg_numOrderCols: c_int,
arg_input_startup_cost: Cost,
arg_input_total_cost: Cost,
arg_input_tuples: f64,
)