Initial commit

1 files changed, 32 insertions, 0 deletions

diff --git a/sys/tty/ttyso.x b/sys/tty/ttyso.x
new file mode 100644
index 00000000..e03de838
--- /dev/null
+++ b/sys/tty/ttyso.x
@@ -0,0 +1,32 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# TTYSO -- Turn "standout" mode on or off.
+
+procedure ttyso (fd, tty, onflag)
+
+int	fd, onflag
+pointer	tty
+
+char	cap[2]
+bool	ttygetb()
+int	junk, ttyctrl()
+errchk	ttygetb
+
+begin
+	# Select name of capability (so, se, us, ue).  Use so/se if it is
+	# available for the terminal, otherwise try us/ue.
+	if (ttygetb (tty, "so")) {
+	    cap[1] = 's'
+	    cap[2] = 'o'
+	} else {
+	    cap[1] = 'u'
+	    cap[2] = 's'
+	}
+	if (onflag == NO)
+	    cap[2] = 'e'
+	cap[3] = EOS
+
+	# Output the control sequence.  If cap is not available for the
+	# terminal, nothing will be output.
+	junk = ttyctrl (fd, tty, cap, 1)
+end