SWI-Prolog -- tcp_open_socket/3

Availability::- use_module(library(socket)).(can be autoloaded)

Source

[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.