extern int arpt_register_table(struct arpt_table *table,
const struct arpt_replace *repl);
extern void arpt_unregister_table(struct arpt_table *table);
-extern unsigned int arpt_do_table(struct sk_buff **pskb,
+extern unsigned int arpt_do_table(struct sk_buff *skb,
unsigned int hook,
const struct net_device *in,
const struct net_device *out,