soconnect
error = soconnect(so, (struct sockaddr *)&sa, td);
err = -soconnect(ep->com.so, (struct sockaddr *)&ep->com.remote_addr,
error = soconnect(so, to_sa, curthread);
error = soconnect(s->l2so, (struct sockaddr *) &l2sa, td);
if ((error = soconnect(so, sa, td)) != 0) {
error = soconnect(so, (struct sockaddr*)to, td);
error = soconnect(cu->cu_socket,
error = soconnect(so, raddr, curthread);
int soconnect(struct socket *so, struct sockaddr *nam, struct thread *td);