Include files and definitions required for embedded SQL applications
Include files are required
to provide functions and types that are used within the library. You
must include these files before the program can use library functions.
By default, include files are installed in the $HOME/sqllib/include folder.
Each host language has its own methods for including files, as well as using different file extensions. Depending on the language specified certain precautions such as specifying file paths must be taken.