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About macros

A macro is a block of code with a name. You can use the name as a convenient alternative to repeating the block of code.

A macro definition is enclosed within MACRO and MEND directives.

The main uses for a macro are:

  • To make it easier to follow the logic of the source code by replacing a block of code with a single meaningful name.

  • To avoid repeating a block of code several times.

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