> It's a good introduction to the preprocessor, but I would dispute that it's advanced tricks. Yes. The X macro is missing for example. https://en.wikipedia.o

> It's a good introduction to the preprocessor, but I would dispute that it's advanced tricks. Yes. The X macro is missing for example. https://en.wikipedia.org/wiki/X_Macro https://en.wikipedia.org/wiki/X_Macro I would also add #error, #line... and command line options to get the preprocessed output.