1  extern int bar(void);
       2  
       3  short s;
       4  
       5  int foo(void)
       6  {
       7    s = bar();
       8    return s;
       9  }
      10  
       1  extern int bar(void);
       2  
       3  short s;
       4  
       5  int foo(void)
       6  {
       7    s = bar();
       8    return s;
       9  }
      10