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+--- Thread: Preprocessor directives in C (/showthread.php?tid=5101)
Preprocessor directives in C - Qomplainerz - 07-25-2023
Preprocessor directives are instructions to the compiler before actual compilation.
// #define directive for a macro
#define PI 3.14159
// #include directive to include a header file
#include <stdio.h>
// Other preprocessor directives
#ifdef DEBUG
printf("Debug mode\n");
#else
printf("Release mode\n");
#endif