9term manages to turn off echo at the right times under SunOS ?

src/cmd/9term/OpenBSD.c

@@ -44,3 +44,16 @@ updatewinsize(int row, int col, int dx, int dy)
 		fprint(2, "ioctl: %r\n");
 	ows = ws;
 }
+
+int
+israw(int fd)
+{
+	return 0;
+}
+
+int
+setecho(int fd, int on)
+{
+	return 0;
+}
+