Specifies the type of function passed to g_node_traverse(). The function is called with each of the nodes visited, together with the user data passed to g_node_traverse(). If the function returns %TRUE, then the traversal is stopped.
a #GNode.
user data passed to g_node_traverse().
Specifies the type of function passed to g_node_traverse(). The function is called with each of the nodes visited, together with the user data passed to g_node_traverse(). If the function returns %TRUE, then the traversal is stopped.