/* ECP: FILEname=fig11_14.c */
/* 1*/   typedef struct TreeNode *Tree;

/* 2*/   typedef struct TreeNode
/* 3*/   {
/* 4*/       char *Item;          /* The Item */
/* 5*/       int Count;           /* Frequency Of Occurrence */
/* 6*/       Tree Left;           /* Left Tree, Recursively Defined */
/* 7*/       Tree Right;          /* Right Tree, Recursively Defined */
/* 8*/   } TreeNode;