Function ndless_sys::gui_gc_setRegin

pub unsafe extern "C" fn gui_gc_setRegin(
    gc: Gc, 
    xs: c_int, 
    ys: c_int, 
    ws: c_int, 
    hs: c_int, 
    x: c_int, 
    y: c_int, 
    w: c_int, 
    h: c_int
)