The following simple data types are defined in ESBAPI.H for use in C language programs:
Simple Data Types| Data Type | Essbase Type |
| typedef char | ESB_CHAR_T |
| typedef short | ESB_SHORT_T |
| typedef long | ESB_LONG_T |
| typedef unsigned char | ESB_UCHAR_T |
| typedef unsigned short | ESB_USHORT_T |
| typedef unsigned long | ESB_ULONG_T |
| typedef float | ESB_FLOAT_T |
| typedef double | ESB_DOUBLE_T |
| Data Type | Essbase Type | Description |
| typedef unsigned char | ESB_BOOL_T | boolean |
| typedef char | *ESB_STR_T | string (array of char) |
| typedef void | *ESB_HINST_T | API instance handle |
| typedef void | *ESB_HCTX_T | API context handle |
| typedef void | ESB_VOID_T | void |
| typedef size_t | ESB_SIZE_T | size of a memory block |
| typedef unsigned short | ESB_ACCESS_T | Essbase access level |
| typedef unsigned long | ESB_LOGINID_T | Essbase login id |
| Data Type | Essbase Type | Description |
| typedef char | *ESB_PCHAR_T | pointer to char |
| typedef short | *ESB_PSHORT_T | pointer to short |
| typedef long | *ESB_PLONG_T | pointer to long |
| typedef unsigned char | *ESB_PUCHAR_T | pointer to unsigned char |
| typedef unsigned short | *ESB_PUSHORT_T | pointer to unsigned short |
| typedef unsigned long | *ESB_PULONG_T | pointer to unsigned long |
| typedef float | *ESB_PFLOAT_T | pointer to float |
| typedef double | *ESB_PDOUBLE_T | pointer to double |
| typedef ESB_BOOL_T | *ESB_PBOOL_T | pointer to boolean |
| typedef ESB_STR_T | *ESB_PSTR_T | pointer to string |
| typedef ESB_VOID_T | *ESB_PVOID_T | pointer to void |
| typedef ESB_SIZE_T | *ESB_PSIZE_T | pointer to size of a memory block |
| typedef ESB_HINST_T | *ESB_PHINST_T | pointer to Essbase VB API instance handle |
| typedef ESB_HCTX_T | *ESB_PHCTX_T | pointer to Essbase VB API context handle |
| typedef ESB_ACCESS_T | *ESB_PACCESS_T | pointer to Essbase access level |
| typedef ESB_LOGINID_T | *ESB_PLOGINID_T | pointer to Essbase login id |
| Data Type | Essbase Type | Description |
| typedef long | ESB_STS_T | return value from API functions |
| typedef ESB_STS_T | (*ESB_FUNC_T)() | pointer to function |
| Constant | Value |
| #define ESB_TRUE | 1 |
| #define ESB_FALSE | 0 |
| #define ESB_NULL | NULL |