Function leptess::capi::pixWindowedVarianceOnLine

pub unsafe extern "C" fn pixWindowedVarianceOnLine(
    pixs: *mut Pix, 
    dir: i32, 
    loc: i32, 
    c1: i32, 
    c2: i32, 
    size: i32, 
    pnad: *mut *mut Numa
) -> i32