From da0fa7dd0e9bcac546bf08d9e2d6002c2949e169 Mon Sep 17 00:00:00 2001
From: Ralph Campbell <ralph@ucbvax.Berkeley.EDU>
Date: Thu, 10 Mar 1983 00:23:24 -0800
Subject: [PATCH] date and time created 83/03/09 16:23:24 by ralph

SCCS-vsn: old/lib2648/ttyinit.c 4.1
---
 usr/src/old/lib2648/ttyinit.c | 57 +++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 usr/src/old/lib2648/ttyinit.c

diff --git a/usr/src/old/lib2648/ttyinit.c b/usr/src/old/lib2648/ttyinit.c
new file mode 100644
index 0000000000..2fe10e6255
--- /dev/null
+++ b/usr/src/old/lib2648/ttyinit.c
@@ -0,0 +1,57 @@
+/*	ttyinit.c	4.1	83/03/09	*/
+/*
+ * sgtty stuff
+ */
+
+#include <sgtty.h>
+
+struct	sgttyb	_ttyb;
+struct	tchars	_otch, _ntch;
+int	_normf;
+
+/*
+ * Routines for dealing with the unix tty modes
+ */
+
+#include "2648.h"
+
+ttyinit()
+{
+	if (strcmp(getenv("TERM"), "hp2648") == 0)
+		_on2648 = 1;
+	ioctl(fileno(stdin), TIOCGETP, &_ttyb);
+	ioctl(fileno(stdin), TIOCGETC, &_otch);
+	_ntch = _otch;
+	_ntch.t_quitc = _ntch.t_startc = _ntch.t_stopc = -1;
+	_normf = _ttyb.sg_flags;
+	_ttyb.sg_flags |= CBREAK;
+	_ttyb.sg_flags &= ~(ECHO|CRMOD);
+	ioctl(fileno(stdin), TIOCSETN, &_ttyb);
+	ioctl(fileno(stdin), TIOCSETC, &_ntch);
+	gdefault();
+	zoomn(1);
+	zoomon();
+	kon();
+	rboff();
+	_cursoron = 1;	/* to force it off */
+	_escmode = NONE;
+	curoff();
+	clearg();
+	gon();
+	aoff();
+}
+
+done()
+{
+	goff();
+	koff();
+	aon();
+	sync();
+	escseq(NONE);
+	lowleft();
+	printf("\n");
+	fflush(stdout);
+	_ttyb.sg_flags = _normf;
+	ioctl(fileno(stdin), TIOCSETN, &_ttyb);
+	ioctl(fileno(stdin), TIOCSETC, &_otch);
+}
-- 
2.20.1