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