Liangxu Linux

May 22, 2025 · Fundamentals

Unlocking the Hidden Power of C Macros: From Simple Replacements to Advanced Metaprogramming

This guide explores C preprocessor macros in depth, covering basic constant and function‑like macros, stringification, token‑pasting, predefined macros, variadic macros, and practical tricks like conditional logging and simulated try‑catch, while warning about common pitfalls.