rfc1524_entry *rfc1524_new_entry (void);
void rfc1524_free_entry (rfc1524_entry **);
int rfc1524_expand_command (BODY *, char *, char *, char *, int);
-int rfc1524_expand_filename (char *, char *, char *, size_t);
+int rfc1524_expand_filename (char *, char *, char *, ssize_t);
int rfc1524_mailcap_lookup (BODY *, char *, rfc1524_entry *, int);
int mutt_rename_file (char *, char *);
int _mutt_rename_file (char *, char *, int);