PeerStreamer

    snprintf(portstr, sizeof(portstr), "%d", port);

    ret = getaddrinfo(hostname, portstr, &hints, &ai);

    if (ret) {

               "Failed to resolve hostname %s: %s\n",

               hostname, gai_strerror(ret));

        return AVERROR(EIO);

        optlen = sizeof(ret);

        getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);

        if (ret != 0) {

                   "TCP connection to %s:%d failed: %s\n",

                   hostname, port, strerror(ret));

            goto fail;