Tcl_Obj *tcl_iface_list;
	struct ifconf ifaces_cfg;
	struct ifreq *iface_req = NULL;
	int iface_req_cnt = 224, iface_req_len;
	int idx, iface_cnt;
	int ioctl_ret, tcl_ret;

	iface_req_len = iface_req_cnt * sizeof(*iface_req);
	iface_req = malloc(iface_req_len);
	if (iface_req == NULL) {
		/* Report failure */
		Tcl_SetObjResult(interp, Tcl_NewStringObj("unable to allocate memory", -1));

		return(TCL_ERROR);
	}