__dvb_net_if_old
struct __dvb_net_if_old *dvbnetif = parg;
struct __dvb_net_if_old *dvbnetif = parg;
#define __NET_ADD_IF_OLD _IOWR('o', 52, struct __dvb_net_if_old)
#define __NET_GET_IF_OLD _IOWR('o', 54, struct __dvb_net_if_old)