Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Migration Guide

PLICALLA Considerations

Language Environment provides support for OS PL/I applications that use the PLICALLA entry point. You can also relink your program under Language Environment. See OS PL/I Routine Replacement Tool about details on how to relink an application under Language Environment.

You can use PLICALLA as the primary entry point of a FETCHed/CALLed PL/I main load module; however, the calling routine must pass only user arguments which are passed to a subroutine. If run-time options are passed, they are treated as user arguments.

If you develop a new PL/I application and you want the main procedure to receive user arguments like a subroutine, do one of the following:

Language Environment support of PLICALLA is not available in the following environments:


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