Feb 20, 2016 · 6 because ## is a token concatenation operator for the c preprocessor. Or maybe I don't understand the question.

Mar 14, 2016 · A preprocessor is an "engine" executed before the compiler compiles code. #define #include are preprocessor directives or macros, so the preprocessor engine executes …

In my project, the program can do one thing of two, but never both, so I decided that the best I can do for one class is to define it depending of a #define preprocessor variable. The following cod...

FYI, identifiers/names, including preprocessor symbols, beginning with an underscore followed by a capital letter (or beginning with two underscores) are reserved to the implementation by the …

Sep 18, 2010 · How do I view the output produced by the C pre-processor, prior to its conversion into an object file? I want to see what the MACRO definitions do to my code.

The preprocessor cannot use variables from the C program in expressions - it can only act on preprocessor macros. So when you try to use c in the preprocessor you don't get what you …

What does the # and ## mean in C preprocessor macro of c++ [duplicate] Asked 12 years, 3 months ago Modified 1 year, 9 months ago Viewed 30k times

The best option would be to include a true preprocessor in python but, due to the rampant abuse of macro replacements in C, the core devs won't touch the preprocessor subject with a 10ft pole.

C preprocessor directives/macros are just another form of "meta-programming", albeit a relatively cruder form than is available in other languages. Preprocessor directives instruct the compiler …

Jun 19, 2016 · Preprocessor directives, such as #define and #ifdef, are typically used to make source programs easy to change and easy to compile in different execution environments. …