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GNU macro processor

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4. How to define new macros

Macros can be defined, redefined and deleted in several different ways. Also, it is possible to redefine a macro, without losing a previous value, which can be brought back at a later time.

4.1 Defining a macro  Defining a new macro
4.2 Arguments to macros  
4.3 Special arguments to macros  Pseudo arguments to macros
4.4 Deleting a macro  
4.5 Renaming macros  
4.6 Temporarily redefining macros  

4.7 Indirect call of macros  
4.8 Indirect call of builtins  


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