void mutt_init_history (void);
void mutt_history_add (history_class_t, const char *);
-char *mutt_history_next (history_class_t);
-char *mutt_history_prev (history_class_t);
+const char *mutt_history_next (history_class_t);
+const char *mutt_history_prev (history_class_t);
#endif