Function ippiFilterGaussianInit_L 

pub unsafe extern "C" fn ippiFilterGaussianInit_L(
    roiSize: IppiSizeL,
    kernelSize: i32,
    sigma: f32,
    borderType: u32,
    dataType: i32,
    numChannels: i32,
    pSpec: *mut ippcvFilterGaussianSpec,
    pInitBuffer: *mut u8,
) -> i32