At 1/5/2001 09:28 AM (Friday), you wrote:

>Hi:
>
> I have the following in my gdb:
>
>DECLARE EXTERNAL FUNCTION CLEARIBLOG
>VARCHAR(64) CHARACTER SET NONE
>RETURNS CHAR(1) CHARACTER SET NONE FREE_IT
>ENTRY_POINT '_ClearIbLog' MODULE_NAME 'ltudf';
>
>
> When is ltudf.dll loaded, on the first call or when the gdb is opened?

I believe the DLL is opened when the first UDF in it is first called. It
stays open until the server is stopped.

You can test this my trying the delete the DLL file. If the server has
opened it you will not be able to delete it.