rio_interface
struct rio_interface *ifacep;
ifacep = (struct rio_interface *)addr;
ifacep = (struct rio_interface *)addr;
ifp = ifunit(((struct rio_interface *)addr)->rio_ifname);
ifacep = (struct rio_interface *)addr;
struct rio_interface iface;
struct rio_interface iface;
#define RIO_IF_ATTACH _IOW('Q', 1, struct rio_interface)
#define RIO_IF_DETACH _IOW('Q', 2, struct rio_interface)
#define RIO_ENABLE _IOW('Q', 3, struct rio_interface)
#define RIO_DISABLE _IOW('Q', 4, struct rio_interface)
struct rio_interface iface;
struct rio_interface iface;
struct rio_interface iface;
struct rio_interface iface;