SLIOCSOUTFILL
if (outfill > 0 && ioctl(fd, SLIOCSOUTFILL, &outfill) < 0) {
if (outfill > 0 && ioctl(fd, SLIOCSOUTFILL, &outfill) < 0) {
case SLIOCSOUTFILL:
if (outfill > 0 && ioctl(0, SLIOCSOUTFILL, &outfill) < 0) {