GETVDCPTR
vdc = GETVDCPTR(meta, i);
vdc = GETVDCPTR(pdmeta, j);
vdc = GETVDCPTR(&pd->pd_meta, i);
vdc = GETVDCPTR(meta, j);
vdc = GETVDCPTR(meta, i);
vdc = GETVDCPTR(meta, i);
vdc = GETVDCPTR(meta, i);