VTOA
ap = VTOA(*vpp);
adp = VTOA(vdp);
ap = VTOA(nvp);
struct anode *ap = VTOA(vp);
ap = VTOA(sp->a_vp);
ap = VTOA(sp->a_vp);
ap = VTOA(vp);
ap = VTOA(sp->a_vp);
pap = VTOA(sp->a_vp);
ap = VTOA(vp);
ap = VTOA(vp);
ap = VTOA(sp->a_vp);
ap = VTOA(vp);