On Wed, 5 Feb 2014 16:39:14 +0000, Blaicher, Christopher Y. wrote:

>The end of the list is shown by having a TIOELNGH of zero.  Also, TIOSLTYP bit 
>will be on if the entry has been freed.  You can skip the entry if this is on. 
> You only have to worry about that bit if you do dynamic allocation and free 
>data sets as your program runs.
> 
Are TIOT entries ever freed?  Is there a hazard of rotted links?
Are they reused (difficult if the length is variable)?  Are they in
private storage, so freed when the job step ends?

-- gil

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