1  unsigned char buf[10];
       2  int
       3  main ()
       4  {
       5    unsigned off1, len, i;
       6    unsigned char *p1;
       7    for (len = 0; len < 8; len++)
       8      {
       9        p1 = buf;
      10        for (i = 0; i < off1; i++)
      11  	*p1++ = '\0';
      12        for (i = 0; i < len; i++)
      13  	*p1++ = 'a';
      14      }
      15  }