* and acted upon by calling appropriate functions from the lower layers.
* Possible actions include
*
- * - request a new file list from the current dabase tool (audio file change)
+ * - request a new file list from the current audio file selector
* - shutdown of all senders (stop/pause command)
- * - repositioning of the stream (ff/jmp command)
+ * - reposition the stream (ff/jmp command)
*
* \return A pointer to a struct timeval containing the timeout for the next
* chunk of data to be sent, or NULL if we're not sending right now.