z/OS MVS Programming: Extended Addressability Guide
z/OS MVS Programming: Extended Addressability Guide
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Searching for and extracting a subspace entry z/OS MVS Programming: Extended Addressability Guide SA23-1394-00 |
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Once a subspace entry has been added to a DU-AL, a program can use the SEARCH parameter of ALESERV to obtain the subspace ALET, and the EXTRACT parameter of ALESERV to obtain the subspace STOKEN. A program cannot invoke ALESERV EXTRACT and supply ALET 1. 
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