int mutt_index_menu (void);
int mutt_is_mail_list (address_t *);
int mutt_is_subscribed_list (address_t *);
-int mutt_multi_choice (char *prompt, char *letters);
+int mutt_multi_choice (const char *prompt, const char *letters);
int mutt_parse_color (BUFFER *, BUFFER *, unsigned long, BUFFER *);
int mutt_parse_uncolor (BUFFER *, BUFFER *, unsigned long, BUFFER *);
int mutt_parse_mono (BUFFER *, BUFFER *, unsigned long, BUFFER *);