On 25 Sep 2013 07:33:25 -0700, Paul Gilmartin wrote:
>So I infer that a DSNAME beginning with a period has some special
significance
>when in a format-4 DSCB. Hmmm. I'm pretty naive at this. Looking in:
>
> Title: z/OS V1R13.0 DFSMSdfp Advanced Services
> Document Number: SC26-7400-14
>
> 1.1.1.5 Format-4 DSCB
>
>The only hint of something that might be a DSNAME is:
>
> Exception: The format-4 DSCB has a 44-byte key of X'04' bytes
not shown in Table 4.
>
I have this vague memory of accessing the VTOC with a quoted DSN of
X'040404...' on a DD card (and I do mean card, X'04' = 12-4-9 punch).
In any event, I thought that FORMAT4.DSCB was specific to xMASPZAP -
something that it checked for and replaced with x'040404..." if
found. (guessing, by using RDJFCB and TYPE J OPEN).
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