4 Closing the database

It is important that every file opened is also closed. This is needed to update the reader/writer count on the file:

gdbm interface: int gdbm_close (GDBM_FILE dbf)

This function closes the gdbm file and frees all memory associated with it. The parameter is:

dbf

The pointer returned by gdbm_open.

Gdbm_close returns 0 on success. On error, it sets gdbm_errno and system errno variables to the codes describing the error and returns -1.