1  extern void abort (void);
       2  extern void exit (int);
       3  
       4  static int f(char *x)
       5  {
       6     return __builtin_strlen(x);
       7  }
       8  
       9  int foo ()
      10  {
      11     return f((char*)&L"abcdef"[0]);
      12  }
      13  
      14  
      15  int
      16  main()
      17  {
      18  #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
      19    if (foo () != 0)
      20      abort ();
      21  #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
      22    if (foo () != 1)
      23      abort ();
      24  #endif
      25    exit (0);
      26  }