Name
dvb_ringbuffer_pkt_next — 
     Get the index of the next packet in a ringbuffer.
 
Synopsis
| ssize_t dvb_ringbuffer_pkt_next ( | struct dvb_ringbuffer * rbuf, | 
|  | size_t idx, | 
|  | size_t * pktlen ); | 
 
Arguments
- rbuf
- 
     Ringbuffer concerned.
     
- idx
- 
     Previous packet index, or -1 to return the first packet index.
     
- pktlen
- 
     On success, will be updated to contain the length of the packet in bytes.
     returns Packet index (if >=0), or -1 if no packets available.