title: What keywords GLSL introduce to C?
body: <p>So we have in C:</p>
  
  <pre><code>auto if break int case long char register
  continue return default short do sizeof 
  double static else struct entry switch extern
  typedef float union for unsigned 
  goto while enum void const signed volatile
  </code></pre>
  
  <p>What new keywords OpenGL (ES) Shader Language provide to us?</p>
  
  <p>I am new to GLSL and I want to create some <a href="http://fiddle.jshell.net/t9sgA/8/" rel="nofollow">highlight editing util for ease of use</a>.</p>
  
  <p>Math words included into GLSL will count as keywords..?</p>