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- <title>FatFs - f_tell</title>
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- <div class="para func">
- <h2>f_tell</h2>
- <p>The f_tell function gets the current read/write pointer of a file.</p>
- <pre>
- FSIZE_t f_tell (
- FIL* <span class="arg">fp</span> <span class="c">/* [IN] File object */</span>
- );
- </pre>
- </div>
- <div class="para arg">
- <h4>Parameters</h4>
- <dl class="par">
- <dt>fp</dt>
- <dd>Pointer to the open file object structure.</dd>
- </dl>
- </div>
- <div class="para ret">
- <h4>Return Values</h4>
- <p>Returns current read/write pointer of the file.</p>
- </div>
- <div class="para desc">
- <h4>Description</h4>
- <p>In this revision, the <tt>f_tell</tt> function is implemented as a macro. It does not have any validation and mutual exclusion.</p>
- <pre>
- <span class="k">#define</span> f_tell(fp) ((fp)->fptr)
- </pre>
- </div>
- <div class="para comp">
- <h4>QuickInfo</h4>
- <p>Always available.</p>
- </div>
- <div class="para ref">
- <h4>See Also</h4>
- <p><tt><a href="open.html">f_open</a>, <a href="lseek.html">f_lseek</a>, <a href="sfile.html">FIL</a></tt></p>
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