Establish a connection.

basic_socket_streambuf< Protocol, StreamSocketService, Time, TimeTraits, TimerService > * connect(
    const endpoint_type & endpoint);
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template<
    typename T1,
    ... ,
    typename TN>
basic_socket_streambuf< Protocol, StreamSocketService > * connect(
    T1 t1,
    ... ,
    TN tn);
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Connect the socket to the specified endpoint.

boost::system::error_code connect(
    const endpoint_type & peer_endpoint,
    boost::system::error_code & ec);
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