diff -uNr ../ztelnet/arpa/tel-lnx.h ./arpa/tel-lnx.h
--- ../ztelnet/arpa/tel-lnx.h	Sat Apr 22 17:17:21 1995
+++ ./arpa/tel-lnx.h	Thu Jan  1 00:00:00 1970
@@ -1,4 +0,0 @@
-#include "/usr/include/arpa/telnet.h"
-#define TELOPT_ENVIRON  36      /* Environment variables */
-#define    ENV_VALUE       0
-#define    ENV_VAR       1
