z/OS MVS Programming: Writing Transaction Schedulers for APPC/MVS
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Interface Definition File (IDF)

z/OS MVS Programming: Writing Transaction Schedulers for APPC/MVS
SA23-1398-00

APPC/MVS provides an IDF (also called a pseudonym file) that defines variables and values for parameters of APPC/MVS system services. The IDF can be included or copied from a central library into programs that invoke APPC/MVS callable services.

For APPC/MVS system services, the IDF for assembler language programs is the ATBCSASM member of SYS1.MACLIB.

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