Function ipp_sys::ippiSub_8u_C4RSfs

pub unsafe extern "C" fn ippiSub_8u_C4RSfs(
    pSrc1: *const u8,
    src1Step: i32,
    pSrc2: *const u8,
    src2Step: i32,
    pDst: *mut u8,
    dstStep: i32,
    roiSize: IppiSize,
    scaleFactor: i32
) -> i32