Http response that can be received from zhttp_client or sent to zhttp_server. Class can be reused between send & recv calls. Headers and Content is being destroyed after every send call. Send a response to a request. Returns 0 if successful and -1 otherwise. Receive a response from zhttp_client. On success return 0, -1 otherwise. Recv returns the two user arguments which was provided with the request. The reason for two, is to be able to pass around the server connection when forwarding requests or both a callback function and an argument. Get the response content type Set the content type of the response. Get the status code of the response. Set the status code of the response. Get the headers of the response. Get the content length of the response Get the content of the response. Get the content of the response. Set the content of the response. Content must by dynamically allocated string. Takes ownership of the content. Set the content of the response. The content is assumed to be constant-memory and will therefore not be copied or deallocated in any way. Set the content to NULL