#include <stdio.h>
#include <ctype.h>
#include <stdbool.h>


typedef char KEY_TYPE;
typedef struct
    {
      KEY_TYPE key;
    } DATA;

typedef struct nodeTag
    {
      DATA data;
      struct nodeTag* link;
    } NODE;


//Function Prototypes
NODE* build      (FILE*);
void countvowels (NODE*);
bool isvowel      (char);
void printme     (NODE*);
void searchlist  (NODE*);