ptions/parsers.hpp</a>&gt;

</span>
<span class="identifier">BOOST_PROGRAM_OPTIONS_DECL</span> <a class="link" href="../../program_options/reference.html#boost.program_options.parsed_options">parsed_options</a> 
<span class="identifier">parse_environment</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span><span class="special">,</span> <span class="ke