63 lines
1.5 KiB
HTML
63 lines
1.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta http-equiv="Content-Style-Type" content="text/css">
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<link rel="up" title="FatFs" href="../00index_e.html">
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<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/tell.html">
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<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
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<title>FatFs - f_tell</title>
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</head>
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<body>
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<div class="para func">
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<h2>f_tell</h2>
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<p>The f_tell function gets the current read/write pointer of a file.</p>
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<pre>
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FSIZE_t f_tell (
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FIL* <span class="arg">fp</span> <span class="c">/* [IN] File object */</span>
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);
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</pre>
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</div>
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<div class="para arg">
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<h4>Parameters</h4>
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<dl class="par">
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<dt>fp</dt>
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<dd>Pointer to the open file object structure.</dd>
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</dl>
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</div>
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<div class="para ret">
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<h4>Return Values</h4>
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<p>Returns current read/write pointer of the file.</p>
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</div>
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<div class="para desc">
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<h4>Description</h4>
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<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>
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<pre>
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<span class="k">#define</span> f_tell(fp) ((fp)->fptr)
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</pre>
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</div>
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<div class="para comp">
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<h4>QuickInfo</h4>
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<p>Always available.</p>
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</div>
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<div class="para ref">
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<h4>See Also</h4>
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<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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</div>
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<p class="foot"><a href="../00index_e.html">Return</a></p>
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</body>
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</html>
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