Function ippiHistogramGetBufferSize 

pub unsafe extern "C" fn ippiHistogramGetBufferSize(
    dataType: Type,
    roiSize: IppiSize,
    nLevels: *const c_int,
    numChannels: c_int,
    uniform: c_int,
    pSpecSize: *mut c_int,
    pBufferSize: *mut c_int,
) -> IppStatus