#define RX_ACTIVE 0x01 /* do it; don't just go through the motions */
#define RX_UNDOABLE 0x02 /* make a list to undo these redirections */
#define RX_CLEXEC 0x04 /* set close-on-exec for opened fds > 2 */
+#define RX_INTERNAL 0x08
+#define RX_USER 0x10
extern void redirection_error __P((REDIRECT *, int));
extern int do_redirections __P((REDIRECT *, int));