typedef struct DV_TPT {
           unsigned short   tp_type;             /* Flags describing this entry */
           unsigned short   tp_termno;           /* Termination Parameter number */
           unsigned short   tp_length;           /* Length of terminator */
           unsigned short   tp_flags;            /* Parameter attribute flag */
           unsigned short   tp_data;             /* Optional additional data */
           unsigned short   rfu;                 /* Reserved                 */
           DV_TPT           *tp_nextp;           /* Pointer to next termination TPT */
}DV_TPT;