isp_find_xs_tgt
ccb = isp_find_xs_tgt(isp, handle);
void *isp_find_xs_tgt(ispsoftc_t *, uint32_t);
xs = isp_find_xs_tgt(isp, ct->ct_syshandle);
xs = isp_find_xs_tgt(isp, ct->ct_syshandle);
xs = isp_find_xs_tgt(isp, ct->ct_syshandle);