* @param message the message, NULL if we only care about
* learning about the delay until we should receive again
* @param ats information for automatic transport selection
- * @param ats_count number of elements in ats not including \0 terminator
+ * @param ats_count number of elements in ats not including 0-terminator
* @param session identifier used for this session (can be NULL)
* @param sender_address binary address of the sender (if observed)
* @param sender_address_len number of bytes in sender_address