tcp_ctloutput     188 netinet/in_proto.c   tcp_input,	0,		tcp_ctlinput,	tcp_ctloutput,
tcp_ctloutput     587 netinet/tcp_var.h int	 tcp_ctloutput(int, struct socket *, int, int, struct mbuf **);
tcp_ctloutput     136 netinet6/in6_proto.c   tcp6_input,	0,		tcp6_ctlinput,	tcp_ctloutput,