end_time         2117 lib/tty/key.c      gint64 end_time;
end_time         2129 lib/tty/key.c      end_time = g_get_monotonic_time () + LEARN_TIMEOUT * MC_USEC_PER_MSEC;
end_time         2139 lib/tty/key.c              time_out = end_time - g_get_monotonic_time ();