public static extern ushort fp_driver_get_driver_id(ref fp_driver drv);
public static extern fp_scan_type fp_driver_get_scan_type(ref fp_driver drv);
public static extern IntPtr fp_driver_get_full_name(ref fp_driver drv);
public static extern fp_scan_type fp_driver_get_scan_type(ref fp_driver drv);
public static extern ushort fp_driver_get_driver_id(ref fp_driver drv);
public static extern System.IntPtr fp_driver_get_full_name(ref fp_driver drv);
public static extern System.IntPtr fp_driver_get_name(ref fp_driver drv);