VTIM_OFF
val &= ~(VTIM_MASK << VTIM_OFF(i));
val |= ((i + 1) << VTIM_OFF(i));
VTIM_OFF(v->es_vlangroup)) & VTIM_MASK;
val &= ~(VTIM_MASK << VTIM_OFF(v->es_vlangroup));
val |= ((v->es_vid & VTIM_MASK) << VTIM_OFF(v->es_vlangroup));