ody>

<div class="para func">
<h2>f_expand</h2>
<p>The f_expand function prepares or allocates a contiguous data area to the file.</p>

<pre>
FRESULT f_expand (
  FIL*    <span class="arg">fp</span>,  <span class="c">/* [IN] File object */</span>
  FSIZE_t <span class="arg">fsz</span>, <span class="c">/* [IN] File size expanded to */</span>
  BYTE    <span class="arg">opt</span>  <span class="c">/* [IN] Operation mode */</span>
);
</pre>
</div>

<div class="para arg">
<h4>Parameters</h4>
<dl class="par">
<d