F="modes.html#input"><CODE>input</CODE></A>.
</P>

<A NAME="stream_buffer_forwarding_open"></A>
<PRE>    <SPAN CLASS="keyword">template</SPAN>&lt;<SPAN CLASS="keyword">typename</SPAN> U&gt;
    <SPAN CLASS="keyword">void</SPAN> <B>open</B>(<SPAN CLASS="keyword">const</SPAN> U&amp; u);

    <SPAN CLASS="keyword">template</SPAN>&lt;<SPAN CLASS="keyword">typename</SPAN> U1, <SPAN CLASS="keyword">typename</SPAN> U2&gt;
    <SPAN CLASS="keyword">void</SPAN> <B>open</B>(<SPAN CLASS="keyword">const</SPAN> U1&amp; 