+static int find_mail_file __P((char *));
+static void update_mail_file __P((int));
+static int add_mail_file __P((char *, char *));
+
+static int file_mod_date_changed __P((int));
+static int file_access_date_changed __P((int));
+static int file_has_grown __P((int));
+
+static char *parse_mailpath_spec __P((char *));
+