+/* On TERMIOS systems, the tcmumbleattr calls take care of these
+ parameters, and it's a bad idea to use them (on AIX, it makes the
+ tty hang for a long time). */
+#if defined (TIOCGLTC) && !defined (HAVE_TERMIOS)
+#define HAVE_LTCHARS
+#endif
+
+#if defined (TIOCGETC) && !defined (HAVE_TERMIOS)
+#define HAVE_TCHARS
+#endif
+