/***********  Listing 4 -- Sample Output ***********/

add_char                          Count:   3
       17*  124   161*

c                                 Count:  41
       22*   29    31    36    39    41    44    44 
       47    53    54    55    56    66    67    68 
       69    79    79    81    84    93    94    97 
       99   101   108   110   111   113   119   119 
      121   123   123   124   125   130   132   133 
      136 

ch                                Count:   9
      144   145*  148   149   149   152   153*  156 
      156 

char_value                        Count:   6
       59    72    86   102   114   132