* Recusively update the info about what is the first hop to reach the node
*
* @param tree Tree this nodes belongs to.
- * @param parent_id Short ID from node form which to start updating.
+ * @param parent ID from node form which to start updating.
* @param hop If known, ID of the first hop.
* If not known, NULL to find out and pass on children.
*/
*
* @return Number of hops to reach destination, UINT_MAX in case the peer is not
* in the path.
- *
+ *
* TODO: adapt to allow any start / root combination
* TODO: take in account state of the nodes
*/