CS80CMD_QSTAT
(void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);
(void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);
if (gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1) != 1) {
(void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);
(void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);
(void) gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);
rv = gpibrecv(sc->sc_ic, slave, CS80CMD_QSTAT, &stat, 1);