Function ippiFilterSeparableGetBufferSize_L 

pub unsafe extern "C" fn ippiFilterSeparableGetBufferSize_L(
    roiSize: IppiSizeL,
    kernelSize: IppiSize,
    dataType: i32,
    kernelType: i32,
    numChannels: i32,
    pBufferSize: *mut i64,
) -> i32