- * @param estimate the value of the current network size estimate
- * @param std_dev standard deviation (rounded down to nearest integer)
- * of the size estimation values seen
- * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
+ * @param timestamp time when the estimate was received from the server (or created by the server)
+ * @param logestimate the log(Base 2) value of the current network size estimate
+ * @param std_dev standard deviation for the estimate
+ *
+ */
+typedef void (*GNUNET_NSE_Callback) (void *cls,
+ struct GNUNET_TIME_Absolute timestamp,
+ double logestimate, double std_dev);
+
+
+/**
+ * Convert the logarithmic estimated returned to the 'GNUNET_NSE_Callback'
+ * into an absolute estimate in terms of the number of peers in the network.
+ *
+ * @param loge logarithmic estimate
+ * @return absolute number of peers in the network (estimated)