Design considerations

If your application program uses more than one of these facilities, you obviously need to bear in mind the design considerations for each one. Also, if your program uses more than one intersystem session for distributed transaction processing, it must control each session according to the rules for that type of session.

Programming language

Generally speaking, you can use COBOL, C, C++, PL/I, or assembler language to write application programs that use CICS® intercommunication facilities. There is, however, an exception. You can only use C, C++, or assembler language for DTP application programs that hold APPC unmapped conversations using the EXEC CICS API.

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