SIOCNBTINFO
while (ioctl(s, SIOCNBTINFO, &btr) != -1) {
if (rump_sys_ioctl(s, SIOCNBTINFO, &btr) == -1)
case SIOCNBTINFO:
case SIOCNBTINFO: /* get next info */
while (set_unit(SIOCNBTINFO) != -1) {