diffs.h

2c2
< // Header file StackP.h for the ADT stack.
---
> // Header file stackP.h for the ADT stack.
5d4
< typedef desired-type-of-stack-item stackItemType;
6a6,14
> typedef struct
>   {
>       char    symbol ;
>       bool    flag ;
>   } 
>   tokenType ; 
> 
> typedef tokenType stackItemType;
>