 this function never blocks.</p>

<p>Calling SSL_accept_stream() if there is no default stream already present inhibits the future creation of a default stream. See <a href="../man7/openssl-quic.html">openssl-quic(7)</a>.</p>

<p>SSL_get_accept_stream_queue_len() returns the number of incoming streams currently waiting in the accept queue.</p>

<p>These functions can be used from multiple threads for the same QUIC connection.</p>

<p>Depending on whether default stream functionality is being used, it may be