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7<title>Write</title>
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9  <body>
10<h1><CODE><a href="../../../../nn/Overview.html">nn</a>::<a href="../../../../nn/hio/Overview.html">hio</a>::<a href="../../../../nn/hio/CTR/Overview.html">CTR</a>::<a href="../../../../nn/hio/CTR/HostFile/Overview.html">HostFile</a>::Write</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13<pre class="definition">#include &lt;nn/hio.h&gt;
14s32 Write(
15     const void * buf,
16     size_t size
17);
18</pre>
19    </div>
20<h2>Arguments</h2>
21    <div class="section">
22      <table class="arguments">
23        <thead>
24          <tr>
25            <td width="15" />
26<th>Name</th>
27<td>Description</td>
28          </tr>
29        </thead>
30        <tr>
31<td>in</td>
32<th>buf</th>
33<td>Pointer to the buffer that stores the data to be written.</td>
34        </tr>
35        <tr>
36<td>in</td>
37<th>size</th>
38<td>Maximum number of bytes to write.</td>
39        </tr> </table>
40    </div>
41<h2>Return Values</h2>
42<div class="section">Returns the actual number of bytes that were written. If an error occurred, it returns <CODE>-1</CODE>. </div>
43<h2>Description</h2>
44    <div class="section">
45<p>Writes the specified amount of data from a buffer to a file, and returns the size of data (in bytes) that were actually written.</p><p>Up to <B>size</B> bytes of data are written to the file from the region at the address specified by <B>buf</B>.<br />Returns the number of bytes written.</p><!-- write here --></div>
46<h2>Revision History</h2>
47    <div class="section">
48      <dl class="history">
49        <dt>2010/06/14</dt>
50<dd>Added description of arguments and behavior.<br />
51        </dd>
52        <dt>2010/03/31</dt>
53<dd>Initial version.<br />
54        </dd>
55      </dl>
56    </div>
57  <hr><p>CONFIDENTIAL</p></body>
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59