The correct spelling is NULL.

diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c
index adf56c5..a4e4a3c 100644 (file)
--- a/usr.sbin/ndp/ndp.c
+++ b/usr.sbin/ndp/ndp.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ndp.c,v 1.100 2021/01/21 19:12:13 florian Exp $       */
+/*     $OpenBSD: ndp.c,v 1.101 2021/01/22 16:10:01 florian Exp $       */
 /*     $KAME: ndp.c,v 1.101 2002/07/17 08:46:33 itojun Exp $   */
 
 /*
@@ -204,7 +204,7 @@ main(int argc, char *argv[])
                if (argc != 0) {
                        usage();
                }
-               dump(0, mode == 'c');
+               dump(NULL, mode == 'c');
                break;
        case 'd':
                if (argc != 0) {