MAX_SPEED
if (sc->fc.speed > MAX_SPEED) {
sc->fc.speed, MAX_SPEED);
sc->fc.speed = MAX_SPEED;
if (sc->fc.speed > MAX_SPEED) {
sc->fc.speed, MAX_SPEED);
sc->fc.speed = MAX_SPEED;
if ((speed = sg->sg_ispeed) > MAX_SPEED || speed < 0)
if ((speed = sg->sg_ospeed) > MAX_SPEED || speed < 0)