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No.
 
Parameters defined as being Omissible can be passed as a Null pointer, but that is it.  Optional parameters are not the same as omissible.  If you are passing a Null pointer for an optional parameter, and the API is working, I would say you are very lucky.

Bruce
Bruce Vining Services
507-206-4178

--- On Wed, 1/28/09, Lim Hock-Chai <Lim.Hock-Chai@xxxxxxxxxxxxxxx> wrote:

From: Lim Hock-Chai <Lim.Hock-Chai@xxxxxxxxxxxxxxx>
Subject: IBM API standard on optional (*) parameter
To: "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
Date: Wednesday, January 28, 2009, 5:04 PM

Is it safe to pass null pointer to any optional (*) parameter on any IBM
api and assume that IBM api will treat it as parameter not being passed?






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