k to this headline">
         ¶
        </a>
       </h2>
       <dl class="cpp macro">
        <dt id="c.XSTR">
         <span class="target" id="macros_8h_1abe87b341f562fd1cf40b7672e4d759da">
         </span>
         <code class="sig-name descname">
          XSTR
         </code>
         <span class="sig-paren">
          (
         </span>
         <em>
          x
         </em>
         <span class="sig-paren">
          )
         </span>
         <a class="headerlink" href="#c.XSTR" title="Permal