--- src/config.h.orig	Wed Feb 11 05:30:28 1998
+++ src/config.h	Sat Sep 18 18:20:32 1999
@@ -52,7 +52,7 @@
 /*
  * OPTION: Use the POSIX "termios" methods in "main-gcu.c"
  */
-/* #define USE_TPOSIX */
+#define USE_TPOSIX
 
 /*
  * OPTION: Use the "termio" methods in "main-gcu.c"