ml#t:ClientA">ClientA</a></code> i o: The client; note that i is the type of the reply,
                                          o is the type of the request.
</li><li> <code>Int</code>: The timeout in microseconds.
</li><li> <code>Type</code>: The <em>MIME</em> type of the request.
</li><li> [<code>Header</code>]: List of additional headers 
                   to be sent with the request.
</li><li> <em>o</em>: The request 
</li></ul></div></div><div class="top"><p class="src"><a name="v:checkRequest" clas