--- Net2/sys/ioctl.h	2018/04/24 18:03:58	1.1.1.1
+++ Net2/sys/ioctl.h	2018/04/24 18:16:37	1.1.1.3
@@ -30,11 +30,12 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)ioctl.h	7.19 (Berkeley) 6/26/91
+ *	from: @(#)ioctl.h	7.19 (Berkeley) 6/26/91
+ *	ioctl.h,v 1.5 1993/06/27 05:59:03 andrew Exp
  */
 
-#ifndef	_IOCTL_H_
-#define	_IOCTL_H_
+#ifndef	_SYS_IOCTL_H_
+#define	_SYS_IOCTL_H_
 
 /*
  * Window/terminal size structure.  This information is stored by the kernel
@@ -140,12 +141,14 @@ struct ttysize {
 #define	TIOCSWINSZ	_IOW('t', 103, struct winsize)	/* set window size */
 #define	TIOCUCNTL	_IOW('t', 102, int)	/* pty: set/clr usr cntl mode */
 #define		UIOCCMD(n)	_IO('u', n)		/* usr cntl op "n" */
+#define TIOCSTAT	_IOW('t', 101, int)	/* generate status message */
 #define	TIOCCONS	_IOW('t', 98, int)		/* become virtual console */
 #define	TIOCSCTTY	_IO('t', 97)		/* become controlling tty */
 #define	TIOCEXT		_IOW('t', 96, int)	/* pty: external processing */
 #define	TIOCSIG		_IO('t', 95)		/* pty: generate signal */
 #define TIOCDRAIN	_IO('t', 94)		/* wait till output drained */
 
+
 #define TTYDISC		0		/* termios tty line discipline */
 #define	TABLDISC	3		/* tablet discipline */
 #define	SLIPDISC	4		/* serial IP discipline */
@@ -221,4 +224,5 @@ __END_DECLS
 #else
 #include <sys/ioctl_compat.h>
 #endif
-#endif
+
+#endif /* !_SYS_IOCTL_H_ */