int mutt_idna_to_local (const char *, char **, int);
int mutt_local_to_idna (const char *, char **);
-int mutt_addrlist_to_idna (address_t *, char **);
+int mutt_addrlist_to_idna (address_t *, const char **);
int mutt_addrlist_to_local (address_t *);
void mutt_env_to_local (ENVELOPE *);