#define RX_INTERNAL 0x08
#define RX_USER 0x10
#define RX_SAVCLEXEC 0x20 /* set close-on-exec off in restored fd even though saved on has it on */
+#define RX_SAVEFD 0x40 /* fd used to save another even if < SHELL_FD_BASE */
extern void redirection_error __P((REDIRECT *, int));
extern int do_redirections __P((REDIRECT *, int));