</a><span class="special">;</span>   
    <span class="keyword">typedef</span> <span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span>               <a class="link" href="basic_environment/entry_type.html#boost.process.basic_environment.entry_type.pointer"><span class="identifier">pointer</span></a><span class="special">;</span>      
    <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="id