de. If you need to include it for legacy code, define <code>GLFW_INCLUDE_GLU</code> before the inclusion of the GLFW header.</p>
<div class="fragment"><div class="line"><span class="preprocessor">#define GLFW_INCLUDE_GLU</span></div>
<div class="line"><span class="preprocessor">#include &lt;GLFW/glfw3.h&gt;</span></div>
</div><!-- fragment --><h2><a class="anchor" id="quick_init_term"></a>
Initializing and terminating GLFW</h2>
<p>Before you can use most GLFW functions, the library must be initialized. On s