 [det]tcp_open_socket(+SocketId, 
-InStream, -OutStream)Similar to tcp_open_socket/2, 
but creates two separate sockets where tcp_open_socket/2 
would have created a stream pair.
[det]tcp_open_socket(+SocketId, 
-InStream, -OutStream)Similar to tcp_open_socket/2, 
but creates two separate sockets where tcp_open_socket/2 
would have created a stream pair.
- deprecated
- New code should use tcp_open_socket/2 
because closing a stream pair is much easier to perform safely.