At 09:12 -0500 on 10/02/2012, Paul Gilmartin wrote about Re: How to
get a tape's DSCB:
On Tue, 2 Oct 2012 07:19:16 -0400, J R wrote:
The DSCB (and OBTAINing it) is a DASD construct. For the
equivalent with tape you have to read sequentially looking for
labels.
Which, in turn, requires BLP, which is restricted at many sites.
That is not the only way (if I remember correctly). I seem to have
the impression that you can have the labels supplied to you by OPEN.
You code the DCB to point at an extension list (the same one you use
to allow reading the JFCB) and it will give you the label as it is
read at open time.
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