ifconfig_err_ioctlreq
unsigned long ifconfig_err_ioctlreq(ifconfig_handle_t *h);
if (ifconfig_err_ioctlreq(lifh) == SIOCGETVLAN) {
if (ifconfig_err_ioctlreq(lifh) == SIOCSETVLAN) {
if (ifconfig_err_ioctlreq(lifh) == SIOCIFCREATE2) {
if (ifconfig_err_ioctlreq(lifh) == SIOCIFCREATE2) {
if (ifconfig_err_ioctlreq(lifh) == SIOCIFDESTROY) {
ifconfig_err_ioctlreq(lifh));
if (ifconfig_err_ioctlreq(lifh) == SIOCSIFMTU) {
ifconfig_err_ioctlreq(lifh),