getutmpx_3
cnt = getutmpx_3(REAL_USERS, 0, 0);
utmpidlearr.uia_cnt = getutmpx_3(rqstp->rq_proc ==
cnt = getutmpx_3(entries, 0, 0); /* get cnt */
cnt = getutmpx_3(entries, RUSERSVERS_3, cnt);