testing recursion

#include <stdio.h>

long int g_Variable = 0;

long int testas(long int i) {

    if(i <= 0) return 0;

    g_Variable++;

    return testas(i - 1);

}

//long int -2147483648 2147483647

int  main() {
   long int i = 50;
   printf("\n%ld %ld\n", testas(i), g_Variable);
   printf("%ld\n", g_Variable);
   return 0;
}