Function ndless_sys::gui_gc_blit_gc

pub unsafe extern "C" fn gui_gc_blit_gc(
    source: Gc, 
    xs: c_int, 
    ys: c_int, 
    ws: c_int, 
    hs: c_int, 
    dest: Gc, 
    xd: c_int, 
    yd: c_int, 
    wd: c_int, 
    hd: c_int
)