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

Writing the initialization procedure

Your initialization procedure should perform any initialization required by the exit, such as opening files and allocating storage. The initialization procedure-specific control block is coded as follows:

Dcl 1 Uex_ISA native based( null() ),
    2 Uex_ISA_Length_fixed bin(31);   /* storage(Uex_ISA) *  /

The global control block syntax for the initialization procedure is discussed in the section Structure of global control blocks.

Upon completion of the initialization procedure, you should set the return/reason codes to the following:

0/0
Continue compilation
4/n
Reserved for future use
8/n
Reserved for future use
12/n
Reserved for future use
16/n
Abort compilation

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