38c38
< * $Id$
---
> * $Id: null_subr.c,v 1.9 1997/02/22 09:40:21 peter Exp $
125c125
< return NULL;
---
> return NULLVP;
266c266
< if (a->null_lowervp == NULL) {
---
> if (a->null_lowervp == NULLVP) {