--- libaitio/inc/aitio.h	2011/09/22 22:25:12	1.11.2.19
+++ libaitio/inc/aitio.h	2011/09/25 23:03:46	1.11.2.21
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.11.2.19 2011/09/22 22:25:12 misho Exp $
+* $Id: aitio.h,v 1.11.2.21 2011/09/25 23:03:46 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -47,8 +47,12 @@ SUCH DAMAGE.
 #define __AITIO_H
 
 
+#define COMPAT_43TTY
+
 #include <assert.h>
 #include <openssl/evp.h>
+#include <sys/tty.h>
+#include <sys/ioctl_compat.h>
 
 
 #define VACUUM_LEFT	1
@@ -764,12 +768,12 @@ int io_Blowfish(unsigned char *pInput, int inLen, unsi
 inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz, 
 		struct termios * __restrict term, struct winsize * __restrict winz);
 /*
- * ioFreeTTY() Release PTY and TTY device
- * @ptyfd = master fd, pty
+ * ioFreePTY() Release PTY and TTY device
+ * @ptyfd = master fd, pty (==-1 skip closing pty)
  * @ttyname = tty filename
  * return: none
  */
-inline void ioFreeTTY(int ptyfd, const char *ttyname);
+inline void ioFreePTY(int ptyfd, const char *ttyname);
 /*
  * ioChgWinPTY() Change window size of PTY
  * @ptyfd = master fd, pty