This question already has answers here: C++ preprocessor __VA_ARGS__ number of arguments (12 answers) Closed 9 years ago.
I am looking through some C source code and I don\'t understand the following part #if 1 typedef unsigned short PronId;
I am trying to create a unit test framework using CPPUnit for a large code base. I need to be able to test individual modules, all of which are part of a module tree that begins with a specific root m
Is there a way in gcc/g++ 4.* to write a macro that expands into several lines? The following code: #define A X \\ Y开发者_Python百科
Is it possible to instruct the GCC preprocessor not to remove开发者_Go百科 comments when processing files?GCC has the -C option to preserve comments.
I need a way to define a FLAGS_IF macro (or equivalent) such that FLAGS_IF(expression) <block_of_code>
I am hoping that someone may have an idea on how to control/specify the order of macro expansion.Here is the context:
I have core function which I can call from the customized module of the product. function_core is the core function which will return and integer
I am working on a project where I have many constant strings formed by concatenation (numbers, etc.).
What\'s the meaning of #line in the C language? Where woul开发者_Python百科d it be used?It tells the compiler where the following line actually came from. It\'s usually only the C preprocessor that ad
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