PeerStreamer

        return err;

    uc->is_connected = 1;

    //We must be careful here as ffurl_seek() could be slow, for example for http

       || !strcmp(uc->prot->name, "file"))

        if(!uc->is_streamed && ffurl_seek(uc, 0, SEEK_SET) < 0)

            uc->is_streamed= 1;

        ret = transfer_func(h, buf+len, size-len);

        if (ret == AVERROR(EINTR))

            continue;

            return ret;

        if (ret == AVERROR(EAGAIN)) {

            ret = 0;

int ffurl_read(URLContext *h, unsigned char *buf, int size)

{

        return AVERROR(EIO);

    return retry_transfer_wrapper(h, buf, size, 1, h->prot->url_read);

}

int ffurl_read_complete(URLContext *h, unsigned char *buf, int size)

{

        return AVERROR(EIO);

    return retry_transfer_wrapper(h, buf, size, size, h->prot->url_read);

}

int ffurl_write(URLContext *h, const unsigned char *buf, int size)

{

        return AVERROR(EIO);

    /* avoid sending too big packets */

    if (h->max_packet_size && size > h->max_packet_size)

int url_exist(const char *filename)

{

    URLContext *h;

        return 0;

    ffurl_close(h);

    return 1;