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Data Extent Block (DEB) Fields z/OS DFSMSdfp Advanced Services SC23-6861-01 |
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The data extent block is constructed by the system when an OPEN macro instruction is issued for the DCB. You cannot modify the fields of the DEB, but you can examine them. The DEB is mapped by the IEZDEB macro. The DEB fields used for EXCP and EXCPVR are illustrated in Control Blocks. You can find a complete view of DEB fields Data Extent Block (DEB) Fields. |
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