{{{type->name,s} bucket }} (aggregate_context_t *)data (serf_bucket_t *)data (headers_context_t *)data (iovec_context_t *)data (request_context_t *)data (response_context_t *)data (simple_context_t *)data (socket_context_t *)data (event_context_t *)data list next bucket list next this {header,na}: {value,na} {(const char*)iov_base,na} (const char*)iov_base,na iov_len (const char*)iov_base vecs_len vecs