/**
 * Recursion depth
 * @author ggtowell
 * Created: March 2020
 * **/
#include <stdio.h>

//#pragma GCC diagnostic error "-Wframe-larger-than=1"

/**
 * Recursion depth printer.   Max at 1000000
 * @param d -- the current depth
 * **/
int rec(int d) {
    if (d>1000000)
        return 0;
    // add a variable here and see the effect
    double arr[100];
    fprintf(stderr, "%d\n", d);
    return rec(d + 1);
}

int main(int argc, char const *argv[])
{
    rec(1);
    return 0;
}