--- Arena/Implementation/icon.c.orig	Mon Sep 16 03:51:35 1996
+++ Arena/Implementation/icon.c	Sun Mar 29 03:36:17 1998
@@ -45,8 +45,6 @@
 
 #if defined __QNX__ || (defined(sco) && !defined(sco_os5))
 #define index strchr
-#else
-extern char *index();
 #endif
 
 static char basis_64[] =