text: #include "necla.h"
  
  int x,y;
  
  int foo(int * ptr){
      if (ptr == &x)
          *ptr = 0;
      if (ptr == &y)
          *ptr = 1;
  
      return 1;
  }
  
  
  int main(){
  
      foo (&x);
      foo( &y);
  
      ASSERT(x <= y);
      return 1;
  }
  