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<h2>DIR</h2>
<p>The <tt>DIR</tt> structure is used for the work area to read a directory by <tt>f_oepndir</tt>, <tt>f_readdir</tt>, <tt>f_findfirst</tt> and <tt>f_findnext</tt> function. Application program must not modify any member in this structure, or any file on the volume can be collapsed.</p>
<pre>
<span class="k">typedef</span> <span class="k">struct</span> {
FFOBJID obj; <span class="c">/* Object identifier */</span>
DWORD dptr; <span class="c">/* Current read/write offset */</span>
DWORD clust; <span class="c">/* Current cluster */</span>
DWORD sect; <span class="c">/* Current sector */</span>
BYTE* dir; <span class="c">/* Pointer to the current SFN entry in the win[] */</span>
BYTE* fn; <span class="c">/* Pointer to the SFN buffer (in/out) {file[8],ext[3],status[1]} */</span>
<span class="k">#if</span> FF_USE_LFN
DWORD blk_ofs; <span class="c">/* Offset of the entry block (0xFFFFFFFF:Invalid) */</span>
WCHAR* lfn; <span class="c">/* Pointer to the LFN working buffer (in/out) */</span>
<span class="k">#endif</span>
<span class="k">#if</span> FF_USE_FIND
const TCHAR* pat; <span class="c">/* Ponter to the matching pattern */</span>
<span class="k">#endif</span>
} DIR;
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