C Programming Tutorial - 55 - Global vs Local Variables

#include <stdio.h>
#include <stdlib.h>

void printSomething();

int warts = 23;

int main()
{
    printf("I have %d warts\n", warts);
    printSomething();
    return 0;
}

void printSomething(){
    warts = 6;
    printf("I have %d warts\n", warts);
    return;
}