SIOCGBTINFO
rv = ioctl(s, SIOCGBTINFO, &btr);
case SIOCGBTINFO:
case SIOCGBTINFO: /* get unit info */
if (set_unit(SIOCGBTINFO) < 0)
if (set_unit(SIOCGBTINFO) < 0)
if (set_unit(SIOCGBTINFO) < 0)