PFN</code> (pointer to function) and <code>PROC</code> (procedure) are added to the ends.</p>
<p>To include the extension header, define <a class="el" href="build.html#build_macros">GLFW_INCLUDE_GLEXT</a> before including the GLFW header.</p>
<div class="fragment"><div class="line"><span class="preprocessor">#define GLFW_INCLUDE_GLEXT</span></div>
<div class="line"><span class="preprocessor">#include &lt;GLFW/glfw3.h&gt;</span></div>
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