T] Pointer to the variable to return number of bytes written */</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>
<dt>buff</dt>
<dd>Pointer to the data to be written.</dd>
<dt>btw</dt>
<dd>Specifies number of bytes to write in range of <tt>UINT</tt> type.</dd>
<dt>bw</dt>
<dd>Pointer to the <tt>UINT</tt> variable that receives the number of bytes written. This value is always valid after the function call rega