--- tools/dhcpm.c.orig	Mon Jul  7 17:07:06 1997
+++ tools/dhcpm.c	Wed Apr 22 01:24:48 1998
@@ -49,6 +49,12 @@
 #include <sys/param.h>
 
 #include <net/if.h>
+#ifdef __FreeBSD__
+#include <osreldate.h>
+#if (__FreeBSD_version == 199702) || (__FreeBSD_version >= 300000)
+#include <net/if_var.h>
+#endif
+#endif
 #include <net/bpf.h>
 #ifdef __osf__
 #include <net/pfilt.h>
