- unsigned char Reserved : 4; /**< Reserved, must be all 0 */
- unsigned char DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */
+ unsigned Reserved : 4; /**< Reserved, must be all 0 */
+ unsigned DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */