The following table details the contents of each Open Data Services header file.
| Header file | Contains |
|---|---|
| SRV.H | All of the header files listed below. This file is the only header file that developer-defined routines need to include. |
| SRVAPI.H | Function prototype definitions for all Open Data Services functions. |
| SRVCONST.H | Open Data Services constant definitions. |
| SRVDBTYP.H | DB-Library definitions. |
| SRVMISC.H | Open Data Services miscellaneous definitions. |
| SRVSTRUC.H | Open Data Services structure definitions. |
| SRVTOK.H | Open Data Services token definitions. |
| SRVTYPES.H | Open Data Services datatype definitions. |