rrent_word_ is not empty.</SPAN>
    }</PRE>

<P>
    You first check to see whether there are any characters which remain from a previous invocation of <CODE>get</CODE>. If so, you update some book keeping information and return the first such character.
</P>
<P>
    The <CODE>while</CODE> loop is very similar to that of <A HREF="#dictionary_stdio_filter"><CODE>dictionary_stdio_filter::do_filter</CODE></A>: it reads characters from the <A HREF="../concepts/source.html">Source</A> <CODE>src</CODE>, appendin