printf(_("Kernel Interface table\n"));
static int iface_info(void){    if ((skfd = sockets_open(0)) < 0) {	perror("socket");	exit(1);    }    printf(_("Kernel Interface table\n"));    printf(_("Iface   MTU Met    RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR Flg\n"));    if (for_all_interfaces(do_if_print, &flag_all) < 0) {	perror(_("missing interface information"));	exit(1);    }    if (flag_cnt)	free_interface_list();    close(skfd);    skfd = -1;    return 0;}