REXX Function Support

REXX/CICS supports the standard SAA Level 2 built-in function set, with the following exceptions:
  • Stream I/O functions are not supported.
  • The USERID function returns a 1 to 8 character CICS user ID if the user is signed on. If the CICS user has not signed on and a default user has been specified for the CICS region (by the CICS Systems Programmer specifying DFLTUSER in the CICS startup parameters) then that value is used.
    Note: The default user shares REXX File System and REXX List System directories.
  • The STORAGE function, that allows a REXX user to display or modify the virtual storage of the CICS region. This function can only be successfully invoked from an authorized exec or by an authorized user.

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Timestamp icon Last updated: Tuesday, 7 January 2014


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