--- if.c.orig	Mon Feb 28 14:30:25 2000
+++ if.c	Sat Apr  8 06:32:52 2000
@@ -1086,11 +1086,9 @@
 						sizeof (ifr));
 				ifrp++;
 			} else {
-				if (space < sa->sa_len - sizeof(*sa))
+				if (space < sizeof(ifr) + sa->sa_len - sizeof(*sa))
 					break;
 				space -= sa->sa_len - sizeof(*sa);
-				if (space < sizeof (ifr))
-					break;
 				error = copyout((caddr_t)&ifr, (caddr_t)ifrp,
 						sizeof (ifr.ifr_name));
 				if (error == 0)