On Mon, 9 Aug 2010 13:46:15 -0400, Charles Mills wrote:

>There is a
>risk if called programs use more storage than expected and the area so-used
>extends into the program's variables.

This is no different than if the called program uses more storage 
in an area that was passed to return data than the calling program 
allocated for that purpose.

-- 
Tom Marchant

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