Design overview

When used for testing terminals, DFHFEP first prepares for device-dependent conditions. It then issues a storage control FREEMAIN, followed by a GETMAIN for storage for the ENTER message, which it writes using terminal control WRITE, READ, and WAIT macros. Finally, if print was requested, the character set is printed; if end was requested, the completion message is issued; otherwise the input is echoed.

DFHFEP performs all the requests made by the CSFE transaction. In addition to the terminal test function, CSFE can request the activation or deactivation of:

See the CICS® Supplied Transactions manual for details of the command syntax and functions provided.

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