razer structs unions

union transaction_id_union {
    unsigned char id;
    struct transaction_parts {
        unsigned char device : 3;
        unsigned char id : 5;
    } parts;
};

union command_id_union {
    unsigned char id;
    struct command_id_parts {
        unsigned char direction : 1;
        unsigned char id : 7;
    } parts;
};

typedef union razer_report {
    unsigned char Data[90];
    struct {
        unsigned char report_id; /* required by hidraw or something - 0x00 */
        unsigned char status;
        union transaction_id_union transaction_id; /* */
        unsigned short remaining_packets; /* Big Endian */
        unsigned char protocol_type; /*0x0*/
        unsigned char data_size;
        unsigned char command_class;
        union command_id_union command_id;
        unsigned char arguments[80];
        unsigned char crc;/*xor'ed bytes of report*/
        unsigned char reserved; /*0x0*/
    } razer_report_inner;
} razer_report;