 FFTW_EXTERN extern</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="keyword">enum</span> fftw_r2r_kind_do_not_use_me {</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;     FFTW_R2HC=0, FFTW_HC2R=1, FFTW_DHT=2,</div