/// A callback reporting node status changes.
/** @param handle A handle which represents an instance of MeshLink.
* @param node A pointer to a meshlink_node_t describing the node whose status changed.
* @param reachable True if the node is reachable, false otherwise.
*/
/// A callback reporting node status changes.
/** @param handle A handle which represents an instance of MeshLink.
* @param node A pointer to a meshlink_node_t describing the node whose status changed.
* @param reachable True if the node is reachable, false otherwise.
*/