PMC_MDEP_CLASS_INDEX_UCF
MPASS(nclasses >= PMC_MDEP_CLASS_INDEX_UCF);
npmc += md->pmd_classdep[PMC_MDEP_CLASS_INDEX_UCF].pcd_num;
npmc += md->pmd_classdep[PMC_MDEP_CLASS_INDEX_UCF].pcd_num;
pcd = &md->pmd_classdep[PMC_MDEP_CLASS_INDEX_UCF];