In addition to the values below, the <filename>zlib.h</filename> 
header shall define the
<constant>ZLIB_VERSION</constant> macro. This macro may be used
to check that the version of the library at run time matches that
at compile time.
</PARA>
<PARA>
See also the <FUNCTION>zlibVersion</FUNCTION> function, which returns
the library version at run time. The first character of the version 
at compile time should always match the first character at run time.
