pub unsafe extern "C" fn linearInterpolatePixelColor(
    datas: *mut l_uint32,
    wpls: l_int32,
    w: l_int32,
    h: l_int32,
    x: l_float32,
    y: l_float32,
    colorval: l_uint32,
    pval: *mut l_uint32
) -> l_ok