-static int cycx_netdevice_init(struct net_device *dev),
- cycx_netdevice_open(struct net_device *dev),
- cycx_netdevice_stop(struct net_device *dev),
- cycx_netdevice_hard_header(struct sk_buff *skb,
- struct net_device *dev, u16 type,
- void *daddr, void *saddr, unsigned len),
- cycx_netdevice_rebuild_header(struct sk_buff *skb),
- cycx_netdevice_hard_start_xmit(struct sk_buff *skb,
+static int cycx_netdevice_init(struct net_device *dev);
+static int cycx_netdevice_open(struct net_device *dev);
+static int cycx_netdevice_stop(struct net_device *dev);
+static int cycx_netdevice_hard_header(struct sk_buff *skb,
+ struct net_device *dev, u16 type,
+ const void *daddr, const void *saddr,
+ unsigned len);
+static int cycx_netdevice_rebuild_header(struct sk_buff *skb);
+static int cycx_netdevice_hard_start_xmit(struct sk_buff *skb,