Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Get the local endpoint of the socket.

endpoint_type local_endpoint() const;

This function is used to obtain the locally bound endpoint of the socket.

An object that represents the local endpoint of the socket.

boost::asio::ip::tcp::socket socket(my_context);
...
boost::asio::ip::tcp::endpoint endpoint = socket.local_endpoint();