tty_con->instream = make_filedesc_input_stream (tty_con->infd, 0, -1, 0);
tty_con->outstream = make_filedesc_output_stream (tty_con->outfd, 0, -1, 0);
-#ifdef MULE
+#ifdef FILE_CODING
tty_con->instream =
make_decoding_input_stream (XLSTREAM (tty_con->instream),
Fget_coding_system (Vkeyboard_coding_system));
tty_con->outstream =
make_encoding_output_stream (XLSTREAM (tty_con->outstream),
Fget_coding_system (Vterminal_coding_system));
-#endif /* MULE */
+#endif /* FILE_CODING */
tty_con->terminal_type = terminal_type;
tty_con->controlling_process = controlling_process;