isp_find_atpd
oatp = isp_find_atpd(isp, chan, aep->at_rxid);
atp = isp_find_atpd(isp, notify->nt_channel, tag);
atp = isp_find_atpd(isp, bus, ct->ct_rxid);
atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
atp = isp_find_atpd(isp, notify->nt_channel,
(atp = isp_find_atpd(isp, XS_CHANNEL(ccb), ccb->cna2.seq_id)) != NULL) {
static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);