/*!
\defgroup chapter_environment Environment Variables
\ingroup book_start
*/
/*!
\page page_environment
\ingroup chapter_environment

<dl compact>
<dt>LIBCWD_NO_STARTUP_MSGS<dd>Don't print anything before main().

<dt>LIBCWD_PRINT_LOADING<dd>Print messages about loading
the shared libraries, even when this is done before libcw_do
is turned on (except when LIBCWD_NO_STARTUP_MSGS is defined).

<dt>LIBCWD_RCFILE_NAME<dd>Use the name $LIBCWD_RCFILE_NAME
as rcfile name instead of the default <TT>.libcwdrc</TT>.
</dl>

*/

