pub unsafe extern "C" fn XcmsCIELabWhiteShiftColors(
    _7: XcmsCCC,
    _6: *mut XcmsColor,
    _5: *mut XcmsColor,
    _4: c_ulong,
    _3: *mut XcmsColor,
    _2: c_uint,
    _1: *mut c_int
) -> c_int