void V3Graph::userClearEdges() { // Clear user() in all of tree for (V3GraphVertex* vertexp = verticesBeginp(); vertexp; vertexp=vertexp->verticesNextp()) { for (V3GraphEdge* edgep = vertexp->outBeginp(); edgep; edgep=edgep->outNextp()) { edgep->user(0); edgep->userp(NULL); // Its a union, but might be different size than user() } } }