Function ippiRectStdDev_32f_C1R 

pub unsafe extern "C" fn ippiRectStdDev_32f_C1R(
    pSrc: *const f32,
    srcStep: i32,
    pSqr: *const f64,
    sqrStep: i32,
    pDst: *mut f32,
    dstStep: i32,
    roiSize: IppiSize,
    rect: IppiRect,
) -> i32