--- sysinfo.c.orig	Tue Oct  6 16:21:18 1998
+++ sysinfo.c	Tue Oct 13 09:47:49 1998
@@ -238,6 +238,9 @@
 	int pkt_in_out;
 	int total_xfers=0;
 	int mib[3], size;
+#if (__FreeBSD_version >= 300004)
+    struct vfsconf vfc;
+#endif
 
 	/* NPROCS=0, CPU */
   if (cpuflag) {
@@ -361,10 +364,13 @@
 #else
 	mib[0] = CTL_VFS;
 #endif
-#if (__FreeBSD_version >= 300003) /* ?? */
-	mib[1] = MNT_EXPORTED;
+#if (__FreeBSD_version >= 300004)
+    if (getvfsbyname("nfs", &vfc) < 0)
+	/* no NFS in the kernel */
+	goto nfs_out;
+    mib[1] = vfc.vfc_typenum;
 #else
-	mib[1] = MNT_NFS;
+	mib[1] = MOUNT_NFS;
 #endif
 	mib[2] = NFS_NFSSTATS;
 	if (sysctl( mib, 3, &nfsstats, &size, NULL, 0) < 0)