From: Ken Mitchell <madmitch76@hotmail.com>
>
> DCL DD MATERIALIZE-AREA CHAR(2608) BDRY(16);
> DCL SPCPTR .MACHINE-ATTR  INIT(MATERIALIZE-AREA);
> DCL SPC     MACHINE-ATTR  BAS(.MACHINE-ATTR);
> DCL DD  BYTES-PROVIDED  BIN(4) DIR;
> DCL DD  BYTES-AVAILABLE BIN(4) DIR;
> DCL DD  VPD              CHAR(28) DEF(MACHINE-ATTR) POS(9); <=== ! !
> DCL DD *                CHAR(8)   DIR;
> DCL DD OFFMEMVPD       BIN(4)     DIR;

mixing DEF POS and DIR is tricky.
It only works if the byte position was actually increased by
the DEF POS, which it is not in your case.





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