Resolving Multiple Definition Errors for Global Variables in C

The Problem When multiple source files include a header that defines global variables, the linker reports multiple definition errors. Consider a header file (main.h) that directly defines global arrays: #ifndef __MAIN_H #define __MAIN_H #include <stdio.h> #include <stdlib.h> #include <string.h> #define max 100 struct studen ...

Posted on Wed, 24 Jun 2026 17:37:45 +0000 by Scooby08