Each of your application programs to run under CICS® requires one or more interface modules (also known as stubs) to use the following facilities:
Each of your CICS application programs must contain an interface to CICS. This takes the form of an EXEC interface module, used by the CICS high-level programming interface. The module, installed in the CICSTS31.CICS.SDFHLOAD library, must be link-edited with your application program to provide communication between your code and the EXEC interface program, DFHEIP.
Each of your CICS application programs that uses the Common Programming Interface for Communications (CPI Communications) must contain an interface to CPI Communications. This takes the form of an interface module, used by the CICS high-level programming interface, common to all the programming languages. The module, DFHCPLC, that is installed in the CICSTS31.CICS.SDFHLOAD library, must be link-edited with each application program that uses CPI Communications.
Each of your CICS application programs that uses SAA Resource Recovery must contain an interface to SAA Resource Recovery. This takes the form of an interface module, used by the CICS high-level programming interface, common to all the programming languages. The module, DFHCPLRR, that is installed in the CICSTS31.CICS.SDFHLOAD library, must be link-edited with each application program that uses the SAA Resource Recovery facility.
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