| ### Environment Variables The Audit API routines use the following environment variables:
DCEAUDITOFF | If this environment variable is defined at the time the application is started, auditing is turned off.
DCEAUDITFILTERON | If this environment variable is defined, filtering is enabled.
DCEAUDITTRAILSIZE | Sets the limit of the audit trail size. This variable overrides the limit set by the dce_aud_set_trail_size_limit( ) function.
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