--- fping.c.orig	Tue Mar 25 01:24:16 1997
+++ fping.c	Tue Mar 25 01:24:02 1997
@@ -185,7 +185,9 @@
 
 extern char *optarg;
 extern int optind,opterr;
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
 extern char *sys_errlist[];
+#endif
 
 
 #ifdef __cplusplus