Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

EXTRN

The EXTRN option controls when EXTRNs are emitted for external entry constants.

Read syntax diagramSkip visual syntax diagram             .-SHORT-.
>>-EXTRN--(--+-FULL--+--)--------------------------------------><
 
FULL
EXTRNs are emitted for all declared external entry constants.
SHORT
EXTRNs are emitted only for those constants that are referenced. This is the default.

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