Function ippiAbsDiffC_8u_C1R 

pub unsafe extern "C" fn ippiAbsDiffC_8u_C1R(
    pSrc: *const u8,
    srcStep: i32,
    pDst: *mut u8,
    dstStep: i32,
    roiSize: IppiSize,
    value: i32,
) -> i32