Function leptonica_sys::pixMinMaxTiles

pub unsafe extern "C" fn pixMinMaxTiles(
    pixs: *mut PIX, 
    sx: l_int32, 
    sy: l_int32, 
    mindiff: l_int32, 
    smoothx: l_int32, 
    smoothy: l_int32, 
    ppixmin: *mut *mut PIX, 
    ppixmax: *mut *mut PIX
) -> l_ok