void http_response_add_header(http_response_t *response, const char *name, const char *value);
void http_response_finish(http_response_t *response, const char *data, int datalen);
void http_response_add_header(http_response_t *response, const char *name, const char *value);
void http_response_finish(http_response_t *response, const char *data, int datalen);