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The following are the Super Express Compression subroutines:
Note: SHRINKZ and EXPANDZ do not acquire any dynamic storage, so there is none to free.
Converts an uncompressed record image to compressed form using the Super Express string compression algorithm.
Converts a record image compressed using Super Express to its original uncompressed form. EXPANDZ also expands records compressed with the old EXPRESS algorithm.
These subroutines are fully reentrant, and can reside in the Link Pack Area, LINKLIB, or a load module PDS defined through STEPLIB or JOBLIB in the JCL.
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