Function ippiFastNInit 

pub unsafe extern "C" fn ippiFastNInit(
    srcSize: IppiSize,
    circleRadius: i32,
    N: i32,
    orientationBins: i32,
    option: i32,
    threshold: f32,
    dataType: i32,
    nChannels: i32,
    pSpec: *mut FastNSpec,
) -> i32