DBTBL *closedbtbl(DBTBL *db);
The table is closed, and frees all the memory associated with it is freed. This includes all the fields in the table, so any pointers obtained with getfld() are no longer valid. Any data set with putfld(), but not written with putdbtblrow() will be lost.
opendbtbl(), createdbtbl(), getfld(), putfld(), putdbtblrow()