pub unsafe extern "C" fn CGGetDisplayTransferByFormula(
display: CGDirectDisplayID,
redMin: *mut CGGammaValue,
redMax: *mut CGGammaValue,
redGamma: *mut CGGammaValue,
greenMin: *mut CGGammaValue,
greenMax: *mut CGGammaValue,
greenGamma: *mut CGGammaValue,
blueMin: *mut CGGammaValue,
blueMax: *mut CGGammaValue,
blueGamma: *mut CGGammaValue,
) -> CGError