buildLvalue
litem = buildLvalue(&t->ruleFromLDAP[r]->lhs, &rval,
litem = buildLvalue(&r->lhs, &rval, &numItems);
__nis_mapping_item_t *buildLvalue(__nis_mapping_rlhs_t *rl,
litem = buildLvalue(&rl->lhs, &rval, &numItems);