53   char const *str;  member
101 new_item (char const *str)  in new_item()  argument
105   if (str)  in new_item()
106     k->str = xstrdup (str);  in new_item()
119 search_item (struct item *root, char const *str)  in search_item()  argument
127     return (root->right = new_item (str));  in search_item()
136       a = strcmp (str, p->str);  in search_item()
149           q = new_item (str);  in search_item()
158           a = strcmp (str, s->str);  in search_item()
173               int cmp = strcmp (str, p->str);  in search_item()
268   if (!STREQ (j->str, k->str))  in record_relation()
346                           error (0, 0, "%s", (loop->str));  in detect_loop()
488           puts (head->str);  in tsort()