Function ipp_sys::ippiRGBToGray_16s_AC4C1R

pub unsafe extern "C" fn ippiRGBToGray_16s_AC4C1R(
    pSrc: *const i16,
    srcStep: i32,
    pDst: *mut i16,
    dstStep: i32,
    roiSize: IppiSize
) -> i32