bufaddenv(dst, "SERVER_PROTOCOL", "%s", req->ver);
bufaddenv(dst, "REQUEST_METHOD", "%s", req->method);
bufaddenv(dst, "REQUEST_URI", "%s", req->url);
bufaddenv(dst, "SERVER_PROTOCOL", "%s", req->ver);
bufaddenv(dst, "REQUEST_METHOD", "%s", req->method);
bufaddenv(dst, "REQUEST_URI", "%s", req->url);