diff -ru inetutils-1.5/talk/io.c inetutils-1.5+iPhone/talk/io.c
--- inetutils-1.5/talk/io.c	2006-10-11 21:46:26.000000000 +0000
+++ inetutils-1.5+iPhone/talk/io.c	2008-01-02 02:27:47.000000000 +0000
@@ -129,7 +129,6 @@
 }
 
 extern	int errno;
-extern	int sys_nerr;
 
 /*
  * p_error prints the system error message on the standard location