Section
C Preprocessor
C preprocessor directives defined in the C standard.
- Conditional inclusion —
#if,#ifdef,#ifndef,#elif,#else,#endif - Replacing text macros —
#define,#undef,#,## - Source file inclusion —
#include - Error directive —
#error - Implementation-defined behavior
- Line control —
#line - Embed directive —
#embed(C23)