Re: C macros - variabel aantal parameters - Article 1449 - go-pugleaf

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Re: C macros - variabel aantal parameters

#1449

From: Philip Paeps
Date: Sat, 05 Mar 2005 13:46

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Andy Peeters <x.spacerunner@skynet.be> wrote:
> Kort vraagje over C macros.

CPP macro's bedoel je?

> Functies in C kunnen een variabel aantal parameters hebben zoals
> bijvoorbeeld printf. Is dit ook mogelijk met macros?

Ja.

Zelfde syntax als in C, met ... .

 #define my_printf(...) printf(__VA_ARGS__)

Wel beetje voorzichtig mee doen, want al je arguments worden ook macro
expanded.

Zie ook:

  <http://gcc.gnu.org/onlinedocs/cpp/Variadic-Macros.html#Variadic-Macros>

 - Philip

-- 
Philip Paeps                              Please don't email any replies
philip@paeps.cx                               I follow the newsgroup.

  If you can't measure it, I'm not interested.

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