item

/*

#define NUM_DIGITS 8

class itemClass
{

  public :
     
        /* constructor initializes the digits to all-zero */
    itemClass() ;

        /*  Change the digits to all 'Z' */
    void makeMarker() ;

        /* Determine whether the item is a marker. */
    bool isMarker() ;

        /* read values into all the digits from stdin */
    void loadValue() ;

        /* write the item to stdout */
    void writeValue() ;

        /*  This is the storage for the sort item 
             -- the array of digits. */
    char digits[NUM_DIGITS] ;
} ;