Some issues

Something is not right. The program isn't working as it should. It does not print the occurences of keywords and isn't recognizing the EOF key. Need to figure out why this is not being allowed

ch_06/exercise_06-01/main.c

@@ -12,8 +12,8 @@
 #include <string.h>
 #include <stddef.h>
 
-#define BUFFSIZE 100
-#define MAXWORD 100
+#define BUFFSIZE 5
+#define MAXWORD 5
 
 #define NKEYS (sizeof keytab / sizeof(struct key))
 
@@ -52,11 +52,12 @@ void ungetch(int c);
 
 
 int getword(char *word, int lim) {
-    int c, getch(void);
-    void ungetch(int);
+    int c;
+    /* int c, getch(void); */
+    /* void ungetch(int); */
     char *w = word;
 
-    while (isspace(c = getch()));
+    while (isspace(c = getch()) || c != EOF);
 
     if (c != EOF)
         *w++ = c;
@@ -99,7 +100,6 @@ int getch(void) {
 }
 
 
-/* push character back on input */
 void ungetch(int c) {
     if (bufp >= BUFFSIZE)
         printf("ungetch: too many characters\n");
@@ -116,10 +116,10 @@ int main()
 
     while (getword(word, MAXWORD) != EOF)
         if (isalpha(word[0]))
-            if ((p = binsearch(word, keytab, NKEYS)) >= 0)
+            if ((p = binsearch(word, keytab, NKEYS)) != NULL)
                 p->count++;
 
-    for (p = 0; p < keytab + NKEYS; p++)
+    for (p = keytab; p < keytab + NKEYS; p++)
         if (p->count > 0)
             printf("%4d %s\n", p->count, p->word);