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   D_OFF_OPT

SUMMARY
   d_off_opt(optflag)
   int optflag;

ARGUMENTS
   optflag     Option flag word containing bit settings for the options to
               be turned off.

DESCRIPTION
   This function is used to turn off any or all db_VISTA runtime options.
   There are three runtime options whitch can currently be controlled using
   this function, as follows.

   1. Ability to turn off the use of delete chains slots when new records
      are created.

   2. Transaction logging and recovery (multi_user version only).

   3. Archive logging (multi_user version only).

   4. Case sensitivity in key files and sorted sets.

   The optflag argument contains a bit status word which has a bit associated
   whith each option. Header file "vista.h" contains definitions for each
   option as follows:

   #define DCHAINUSE 0x01
   #define TRLOGGING 0x02
   #define ARCLOGGING 0x04
   #define 0x08

   This function can be called either before or after the database has been
   opened and these options can be turned on and off as desired.

CURRENCY CHANGES
   None

RETURN CODES
   None

EXAMPLE

      /* turn off transaction logging and delete chain use */
      d_off_opt(TRLOGGING # DCHAINUSE);

seealso  funkcijo.ngo:d_on_opt funkcijo.ngo:d_mapchar