s="keyword">namespace </span><a class="code" href="namespacelac.html">lac</a> {</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#ifndef RETURN_VAL</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#define RETURN_VAL</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="keyword">enum</span> RVAL {</div><div class="line"><a name="l000