  std::streamsize buffer_size,
               std::streamsize pback_size );</PRE>

<P>
    Appends the given stream or stream buffer to this chain, which must not be <A HREF="#is_complete">complete</A>. The parameters have the following interpretations:
</P>

<TABLE STYLE="margin-left:2em" BORDER=0 CELLPADDING=2 ID="Table4">
<TR>
    <TR>
        <TD VALIGN="top"><I>StreamOrStreambuffer</I></TD><TD WIDTH="2em" VALIGN="top">-</TD>
        <TD>A standard stream or stream buffer type whose <A HREF="../guide/tr