void icmp6_init __P((void));
void icmp6_paramerror __P((struct mbuf *, int));
void icmp6_error __P((struct mbuf *, int, int, int));
-int icmp6_input __P((struct mbuf **, int *, int));
+int icmp6_input __P((struct mbuf **, int *));
void icmp6_fasttimo __P((void));
void icmp6_reflect __P((struct mbuf *, size_t));
void icmp6_prepare __P((struct mbuf *));