></a><span class="lineno">  103</span>&#160;<span class="preprocessor">#include &lt;stddef.h&gt;</span> <span class="comment">/* for ptrdiff_t */</span></div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="structfftw__iodim64__do__not__use__me.html">  104</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structfftw__iodim64__do__not__use__me.html">fftw_iodim64_do_not_use_me</a> {</div><div class="line"><a name="l00105"></a><span class="lineno">  105<