PeerStreamer

/**

 * Read up to size bytes from the resource accessed by h, and store

 * the read bytes in buf.

 *

 * @return The number of bytes actually read, or a negative value

 * corresponding to an AVERROR code in case of error. A value of zero

 * indicates that it is not possible to read more from the accessed

 * resource (except if the value of the size argument is also zero).

 */

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