"zlib::Flush"><code class="computeroutput"><span class="identifier">Flush</span><span class="special">::</span><span class="identifier">block</span></code></a>
          does, but it also returns when the end of each deflate block header is
          reached, before any actual data in that block is decoded. This allows the
          caller to determine the length of the deflate block header for later use
          in random access within a deflate block. 256 is added to the value of
          <code class="c