inet_stream_connect
ret = inet_stream_connect(sock, (struct sockaddr_unsized *)sa, req->u.connect.len, 0);
int inet_stream_connect(struct socket *sock, struct sockaddr_unsized *uaddr,
.connect = inet_stream_connect,
EXPORT_SYMBOL(inet_stream_connect);
.connect = inet_stream_connect, /* ok */
.connect = inet_stream_connect,
.connect = inet_stream_connect,