able>
<table width="95%" align="center">
<tr><td>
Write the current history to <var>filename</var>, overwriting <var>filename</var>
if necessary. 
If <var>filename</var> is <code>NULL</code>, then write the history list to
<code>~/.history</code>. 
Returns 0 on success, or <code>errno</code> on a read or write error. 
</td></tr>
</table>

<p>
<table width="100%">
<tr>
<td align="left">int <b>append_history</b><i> </i>(<i>int nelements, const char *filename</i>)<i>
     </i></td>
<td align="right">Functie</t