Restriction: This
is supported on AIX and Windows only.
The DER_DBG_OVERRIDE environment variable takes precedence over DER_DBG_PATH. If you set your DER_DBG_PATH variable in your system settings, but you want to temporarily add another path that takes precedence over DER_DBG_PATH, set DER_DBG_OVERRIDE. To restore DER_DBG_PATH as the path used to locate executables and DLLs, clear DER_DBG_OVERRIDE. You can clear DER_DBG_OVERRIDE using the following command:
set DER_DBG_OVERRIDE=