public static extern int fp_async_capture_stop(ref fp_dev dev, fp_capture_stop_cb callback, IntPtr user_data);
public static extern int fp_async_capture_stop(ref fp_dev dev, fp_capture_stop_cb callback, System.IntPtr user_data);
public static extern int fp_async_capture_stop(ref fp_dev dev, fp_capture_stop_cb callback, IntPtr user_data);
public static extern int fp_async_capture_stop(ref fp_dev dev, fp_capture_stop_cb callback, System.IntPtr user_data);