Function leptonica_sys::convertXYZToLAB

pub unsafe extern "C" fn convertXYZToLAB(
    xval: l_float32, 
    yval: l_float32, 
    zval: l_float32, 
    plval: *mut l_float32, 
    paval: *mut l_float32, 
    pbval: *mut l_float32
) -> l_ok