IPTUN_INFO
{ (uint_t)IPTUN_INFO, "IPTUN_INFO", NULL}, /* 4 */
status = i_iptun_ioctl(handle, IPTUN_INFO, &tmpik);
status = i_iptun_ioctl(handle, IPTUN_INFO, &ik);
{ IPTUN_INFO, DLDCOPYINOUT, sizeof (iptun_kparams_t),