What technologies can be used to write tcp/udp for macos and ios?

Question

iOS

It is necessary to write a tcp / udp client-server for macos and ios, with what tools can this be done?
it will be cool if links and video tutorials are found on this topic)

Answer 1

Typically, general-purpose programming languages ​​include libraries for working with the network stack.
example for java.
https://habr.com/ru/post/330676/