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$NetBSD: patch-ac,v 1.3 2016/04/18 08:34:35 leot Exp $

--- arp.c.orig	2000-11-14 15:51:03.000000000 +0000
+++ arp.c
@@ -17,7 +17,7 @@
 #include <sys/sysctl.h>
 #include <net/if_dl.h>
 #include <net/route.h>
-#ifdef __FreeBSD__	/* XXX */
+#if defined(__FreeBSD__) || defined(__DragonFly__)	/* XXX */
 #define ether_addr_octet octet
 #endif
 #else /* !BSD */
@@ -32,6 +32,7 @@
 #include <netinet/if_ether.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 
 #ifdef BSD
@@ -51,7 +52,11 @@ arp_cache_lookup(in_addr_t ip, struct et
 	mib[2] = 0;
 	mib[3] = AF_INET;
 	mib[4] = NET_RT_FLAGS;
+#ifdef RTF_LLDATA
+	mib[5] = RTF_LLDATA;
+#else
 	mib[5] = RTF_LLINFO;
+#endif
 	
 	if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
 		return (-1);