How can the fact that EIBCALEN is equal to zeros be of use to an application p

How can the fact that EIBCALEN is equal to zeros be of use
to an application programmer?

Question Posted / guest

How can the fact that EIBCALEN is equal to zeros be of use to an application programmer?..

Answer / krishnakumar

Using EIBCALEN one can check whether any data was passed
through COMMAREA during LINK or XCTL command

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