Function leptess::capi::pixThresholdGrayArb

pub unsafe extern "C" fn pixThresholdGrayArb(
    pixs: *mut PIX, 
    edgevals: *const c_char, 
    outdepth: l_int32, 
    use_average: l_int32, 
    setblack: l_int32, 
    setwhite: l_int32
) -> *mut PIX