WebSphere MQ provides data definition files to assist you with the writing
of your applications. Data definition files are also known as:
| Language | Data definitions |
|---|---|
| C | Include files or header files |
| Visual Basic | Module files |
| COBOL | Copy files |
| Assembler | Macros |
| PL/I | Include files |
See Appendix A, Language compilers and assemblers for the compilers that are supported and suitable for use with these data definition files.
The data definition files to assist with the writing of channel exits are described in WebSphere MQ Intercommunication.
The data definition files to assist with the writing of installable services exits are described in WebSphere MQ System Administration Guide.
For data definition files supported on C++, see WebSphere MQ Using C++.
For data definition files supported on RPG, see WebSphere MQ for iSeries V5.3 Application Programming Reference (ILE RPG).
The names of the data definition files have the prefix CMQ, and a suffix
that is determined by the programming language:
| Suffix | Language |
|---|---|
| a | Assembler language |
| b | Visual Basic |
| c | C |
| l | COBOL (without initialized values) |
| p | PL/I |
| v | COBOL (with default values set) |
| Installation library |
|---|
|
The name thlqual is the high-level qualifier of the installation library on z/OS. |
This chapter introduces WebSphere MQ data definition files, under these headings: