This is the main shared partition data structure.
typedef struct ESS_PART_T
{
ESS_PARTHDR_T file_header;
ESS_USHORT_T partition_count;
ESS_PARTDEF_T *partitions;
ESS_ULONG_T maxserialno;
} ESS_PART_T, *ESS_PPART_T, **ESS_PPPART_T;
| Data Type | Field | Descriptions |
| ESS_PARTHDR_T | file_header | File header. |
| ESS_USHORT_T | partition_count | Number of shared partitions. |
| ESS_PARTDEF_T | partitions | Array of shared partition definitions. |
| ESS_ULONG_T | maxserialno | High water mark for serial number. |