#include <stdio.h>

volatile unsigned int c=0xbeef;

int inc(int i)
{
    i++;
    if(i==0)i=1;
    return i;
}

int main()
{

    int thread=_clone(); 

    if(thread!=0) // thread 1
    {
      while(1)
      {
          c++;
      }
    }

    else // thread2
    {
      while(1) printf("0x%08x\n",c);
    }

}