                  
<SPAN CLASS="keyword">using</SPAN> <SPAN CLASS="keyword">namespace</SPAN> <A CLASS="documented" HREF="zlib.html#constants">boost::iostreams::zlib</A>;

    <SPAN CLASS="comment">// Error codes used by gzip_error.</SPAN>

<SPAN CLASS="keyword">const</SPAN> <SPAN CLASS="keyword">int</SPAN> <A CLASS="documented" HREF="#zlib_error">zlib_error</A>;
<SPAN CLASS="keyword">const</SPAN> <SPAN CLASS="keyword">int</SPAN> <A CLASS="documented" HREF="#bad_crc">bad_crc</A>;
<SPAN CLASS="keyword">const<