1 files changed, 18 insertions, 0 deletions
diff --git a/sys/gio/ggetb.x b/sys/gio/ggetb.x
new file mode 100644
index 00000000..790da996
--- /dev/null
+++ b/sys/gio/ggetb.x
@@ -0,0 +1,18 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gio.h>
+
+# GGETB -- Get a boolean device parameter from the graphcap entry for the
+# device.  A boolean graphcap query tests if the named parameter exists.
+# Boolean queries are permitted for any capability, regardless of its actual
+# datatype.
+
+bool procedure ggetb (gp, cap)
+
+pointer	gp			# graphics descriptor
+char	cap[ARB]		# name of device capability
+bool	ttygetb()
+
+begin
+	return (ttygetb (GP_TTY(gp), cap))
+end