hp_traverse
(void) hp_traverse(root, NULL, long_flag ? list_long_cb : list_cb);
(void) hp_traverse(results, NULL, error_cb);
(void) hp_traverse(results, NULL, error_cb);
(void) hp_traverse(results, NULL, error_cb);
(void) hp_traverse(results, NULL, error_cb);
(void) hp_traverse(results, NULL, error_cb);
(void) hp_traverse(results, NULL, error_cb);
(void) hp_traverse(results, NULL, error_cb);
(void) hp_traverse(root, &arg, resource_callback);
(void) hp_traverse(root, (void *)&arg, merge_callback);
(void) hp_traverse(node, &sizearg, error_sizeup_cb);
(void) hp_traverse(node, &sumarg, error_sumup_cb);
if (hp_traverse(node->hp_child, arg, hp_callback) ==
int hp_traverse(hp_node_t root, void *arg,