+++ /dev/null
---- ttycom.h Mon Jun 17 08:08:09 1996
-+++ ttycom.h.new Fri Apr 9 08:22:06 1999
-@@ -133,9 +133,13 @@
- #define TIOCDSIMICROCODE _IO('t', 85) /* download microcode to
- * DSI Softmodem */
-
-+#define TIOCRCVFRAME _IOW('t', 69, struct mbuf *) /* data frame received */
-+#define TIOCXMTFRAME _IOW('t', 68, struct mbuf *) /* data frame transmit */
-+
- #define TTYDISC 0 /* termios tty line discipline */
- #define TABLDISC 3 /* tablet discipline */
- #define SLIPDISC 4 /* serial IP discipline */
- #define PPPDISC 5 /* PPP discipline */
-+#define HDLCDISC 6 /* HDLC discipline */
-
- #endif /* !_SYS_TTYCOM_H_ */