inpcb_connect
error = inpcb_connect(inp, (struct sockaddr_in *)nam, l);
int inpcb_connect(void *, struct sockaddr_in *, struct lwp *);
if (inpcb_connect(inp, &sin, &lwp0)) {
error = inpcb_connect(inp, (struct sockaddr_in *)nam, l);
error = inpcb_connect(inp, (struct sockaddr_in *)nam, l);
error = inpcb_connect(inp, (struct sockaddr_in *)nam, l);