ST_OPS_MODESELECT
(error = st->ops(st, ST_OPS_MODESELECT, 0)) != 0) {
if ((error = st->ops(st, ST_OPS_MODESELECT, XS_CTL_SILENT))
if ((error = st->ops(st, ST_OPS_MODESELECT, 0)) != 0) {
if (st->ops(st, ST_OPS_MODESELECT, 0) != 0) {
case ST_OPS_MODESELECT:
case ST_OPS_MODESELECT: