Frees resources used by the UltraLite runtime library.
unsigned short db_fini( SQLCA * sqlca );
0 if an error occurs during processing. The error code is set in SQLCA.
Non-zero if there are no errors.
You must not make any other UltraLite library call or execute any embedded SQL command after db_fini is called.
Call db_fini once for each SQLCA being used.