Function leptonica_sys::numaGetHistogramStats

pub unsafe extern "C" fn numaGetHistogramStats(
    nahisto: *mut NUMA, 
    startx: l_float32, 
    deltax: l_float32, 
    pxmean: *mut l_float32, 
    pxmedian: *mut l_float32, 
    pxmode: *mut l_float32, 
    pxvariance: *mut l_float32
) -> l_ok