This structure defines header information for a specific column.
typedef struct __ess_dtapiheader_t
{
ESS_ULONG_T nColumnIdx ;
ESS_CHAR_T sViewName[ESS_MBRNAMELEN] ;
ESS_CHAR_T sColumnName[ESS_MBRNAMELEN] ;
ESS_USHORT_T uDatatype ;
} ESS_DTAPIHEADER_T, *ESS_PDTAPIHEADER_T, **ESS_PPDTAPIHEADER_T ;
| Data Type | Field | Description |
| ESS_ULONG_T | nColumnIdx | 0-indexed column number for the given data block. |
| ESS_CHAR_T | sViewName [ESS_MBRNAMELEN] | ??? |
| ESS_CHAR_T | sColumnName [ESS_DESCRIPTION_LEN + 1] | Data value for the given data block. |
| ESS_USHORT_T | uDatatype | ??? |