UI_SET_RELBIT
case UI_SET_RELBIT:
ioctl(fd, UI_SET_RELBIT, REL_X) < 0 ||
ioctl(fd, UI_SET_RELBIT, REL_Y) < 0 ||
(p->has_wheel && ioctl(fd, UI_SET_RELBIT, REL_WHEEL) < 0) ||
(p->has_hwheel && ioctl(fd, UI_SET_RELBIT, REL_HWHEEL) < 0) ||
ioctl(fd, UI_SET_RELBIT, REL_X) < 0 ||
ioctl(fd, UI_SET_RELBIT, REL_Y) < 0 ||
ioctl(fd, UI_SET_RELBIT, REL_WHEEL) < 0 ||