SENSOR_FUNKNOWN
if (s->flags & SENSOR_FUNKNOWN)
sens->sensor.flags |= SENSOR_FUNKNOWN;
~(SENSOR_FUNKNOWN | SENSOR_FINVALID);
sens->flags &= ~(SENSOR_FUNKNOWN | SENSOR_FINVALID);
sens->flags &= ~(SENSOR_FUNKNOWN | SENSOR_FINVALID);
sens->flags |= SENSOR_FUNKNOWN;
sens->flags &= ~(SENSOR_FUNKNOWN | SENSOR_FINVALID);
if ((sensor.flags & (SENSOR_FINVALID | SENSOR_FUNKNOWN)) == 0) {
if ((sensor.flags & (SENSOR_FINVALID | SENSOR_FUNKNOWN)) == 0) {