Applications calling any of these functions should update their calls
to use the enclosing <a href="../api_reference/C/env.html" class="olink">DB_ENV class</a> handle's method
(easily done as the first argument to the existing call is the correct
handle to use).</p>
      <p>As a special case, since applications might potentially have many calls
to the txn_abort, txn_begin and txn_commit functions, those functions
continue to work unchanged in the Berkeley DB 4.0 release.</p>
      <p>In addition, the <a hr