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Modify your first example as below and it will do what I think you want. I've used a separate pointer for basing the DS in case you need to maintain addressability to the header portion of the space. This is the normal method for coding the function that you are describing. D APIdatastructure DS Based(DSPtr) C Eval DSPtr = SpcPtr C DO Noofdataitems C EXSR PROCES Process Data Item C Eval DSPtr = DSPtr + NextItemOffset Set Var to Next Data Item C Enddo +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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