Global Variables in C Programming
Source code for this Tutorial
#include <stdio.h>
#include <stdlib.h>
int a = 10, b = 20;
int main()
{
display();
printf("%d + %d is %d\n",a,b,(a+b));
return 0;
}
void display(){
a = 100;
b = 200;
printf("%d + %d is %d\n",a,b,(a+b));
}