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

This is the documentation for an old version of boost. Click here for the latest Boost documentation.
basic_socket_streambuf::close (1 of 2 overloads)

Close the connection.

basic_socket_streambuf< Protocol, StreamSocketService > * close();
Return Value

this if a connection was successfully established, a null pointer otherwise.