VTON
node = VTON(vp);
node = VTON(vp);
node = VTON(vp);
struct udf_node *node = VTON(vp);
node = VTON(vp);
node = VTON(vp);
node = VTON(a->a_vp);
node = VTON(dvp);
unode = VTON(vp);