QUERY_DLC

typedef struct query_dlc
{
        unsigned short  opcode;            /* verb operation code         */
        unsigned char   attributes;        /* ver attributes              */
        unsigned char   format;            /* format                      */
        unsigned short  primary_rc;        /* primary return code         */
        unsigned long   secondary_rc;      /* secondary return code       */
        unsigned char   *buf_ptr;          /* pointer to buffer           */
        unsigned long   buf_size;          /* buffer size                 */
        unsigned long   total_buf_size;    /* total buffer size required  */
        unsigned short  num_entries;       /* number of entries           */
        unsigned short  total_num_entries; /* total number of entries     */
        unsigned char   list_options;      /* listing options             */
        unsigned char   reserv3;           /* reserved                    */
        unsigned char   dlc_name[8];       /* name of DLC                 */
} QUERY_DLC;

typedef struct dlc_summary
{
        unsigned short  overlay_size;      /* size of this entry          */
        unsigned char   dlc_name[8];       /* name of DLC                 */
        unsigned char   description[RD_LEN];
                                           /* resource description        */
        unsigned char   state;             /* State of the DLC            */
        unsigned char   dlc_type;          /* DLC type                    */
} DLC_SUMMARY;

typedef struct dlc_detail
{
        unsigned short  overlay_size;      /* size of this entry          */
        unsigned char   dlc_name[8];       /* name of DLC                 */
        unsigned char   reserv2[2];        /* reserved                    */
        DLC_DET_DATA     det_data;         /* Determined data             */
        DLC_DEF_DATA     def_data;         /* Defined data                */
} DLC_DETAIL;

typedef struct dlc_det_data
{
        unsigned char   state;             /* State of the DLC            */
        unsigned char   reserv3[3];        /* reserved                    */
        unsigned char   reserva[20];       /* reserved                    */
} DLC_DET_DATA;

typedef struct dlc_def_data
{
        DESCRIPTION     description;       /* resource description        */
        unsigned char   dlc_type;          /* DLC type                    */
        unsigned char   neg_ls_supp;       /* negotiable LS support       */
        unsigned char   port_types;        /* allowable port types        */
        unsigned char   retry_flags;       /* conditions for automatic    */
                                           /* retries                     */
        unsigned short  max_activaion_attempts;
                                           /* how many automatic retries? */
        unsigned short  activation_delay_timer;
                                           /* delay between automatic     */
                                           /* retries                     */
        unsigned char   reserv3[6];        /* reserved                    */
        unsigned short  dlc_spec_data_len; /* Length of DLC specific data */
} DLC_DEF_DATA;