82 void populate_dictionary(tree_node **dictionary, char *filename) {  in populate_dictionary()  argument
91       if (*dictionary == NULL) {  in populate_dictionary()
96         *dictionary = new_node;  in populate_dictionary()
98         insert(*dictionary, new_word);  in populate_dictionary()
106 int find_word(tree_node *dictionary, char *word) {  in find_word()  argument
107   if (!word || !dictionary)  in find_word()
110   int compare_value = strcmp(word, dictionary->word);  in find_word()
115     return find_word(dictionary->left, word);  in find_word()
117     return find_word(dictionary->right, word);  in find_word()
122 void print_tree(tree_node *dictionary) {  in print_tree()  argument
123   if (!dictionary)  in print_tree()
126   if (dictionary->left)  in print_tree()
127     print_tree(dictionary->left);  in print_tree()
129   printf("%s\n", dictionary->word);  in print_tree()
131   if (dictionary->right)  in print_tree()
132     print_tree(dictionary->right);  in print_tree()
136   tree_node *dictionary = NULL;  in main()  local
147   populate_dictionary(&dictionary, filename);  in main()
162     if (find_word(dictionary, word))  in main()