cluded, commonly as one of the first included headers. Therefore, it is defined as an application developer&#39;s responsibility to include <i>&lt;windows.h&gt;</i> prior to <i>&lt;openssl/async.h&gt;</i>.</p>

<h1 id="EXAMPLES">EXAMPLES</h1>

<p>The following example demonstrates how to use most of the core async APIs:</p>

<pre><code>#ifdef _WIN32
# include &lt;windows.h&gt;
#endif
#include &lt;stdio.h&gt;
#include &lt;unistd.h&gt;
#include &lt;openssl/async.h&gt;
#include &lt;openssl/crypto.h&gt;

int un