-typedef Sint8 udi_sbit8_t; /* signed 8-bit: -2^7..2^7-1 */
-typedef Sint16 udi_sbit16_t; /* signed 16-bit: -2^15..2^15-1 */
-typedef Sint32 udi_sbit32_t; /* signed 32-bit: -2^31..2^31-1 */
-typedef Uint8 udi_ubit8_t; /* unsigned 8-bit: 0..28-1 */
-typedef Uint16 udi_ubit16_t; /* unsigned 16-bit: 0..216-1 */
-typedef Uint32 udi_ubit32_t; /* unsigned 32-bit: 0..232-1 */
-