FDIOSCHAR
(void) ioctl(fd, FDIOSCHAR, &save_fdchar);
if (ioctl(fd, FDIOSCHAR, &fdchar) == -1) {
{ (uint_t)FDIOSCHAR, "FDIOSCHAR",
if (ioctl(fd, FDIOSCHAR, &fdchar) < 0) {
(void) ioctl(fd, FDIOSCHAR, &save_fdchar);
case FDIOSCHAR:
case FDIOSCHAR: