|http:request-header-value name request||[Function]|
Return one header value associated with the given header name in the request. Only the first value associated with the header name is returned. The name should have already been canonicalised to lower case.
|(setf (http:request-header-value name request) value)||[Function]|
Setf the request header value associated with the given name. If there are already values associated with the header in the request then they are firstly removed. The name should have already been canonicalised to lower case. Note that the request objects are considered immutable by the server and should not be modified when received from, or after passing to, the server or client.