1  typedef union
       2  {
       3    unsigned char member3;
       4    signed short member4;
       5    unsigned int member5;
       6  }
       7  UNI02;
       8  
       9  struct srt_dat_t
      10  {
      11    UNI02 un2;
      12    unsigned long member1;
      13    signed short member2;
      14  };
      15  
      16  struct srt_dat_t exsrt1;
      17  void
      18  extern_test (struct srt_dat_t arg1)
      19  {
      20    arg1.un2.member3++;
      21    arg1.member1++;
      22    arg1.member2++;
      23  }
      24  
      25  int
      26  main (void)
      27  {
      28    extern_test (exsrt1);
      29    return (0);
      30  }