in6_pcbbind
error = in6_pcbbind(inp, NULL, td);
error = in6_pcbbind(inp, nam, td);
error = in6_pcbbind(inp, NULL, td);
error = in6_pcbbind(inp, NULL, td);
int in6_pcbbind (struct inpcb *, struct sockaddr *, struct thread *);
error = in6_pcbbind(inp, nam, td);