/* Iterates over both trace paths and names simultaneously. */
for (tp_node = trace_paths, tn_node = trace_names; tp_node;
tp_node = g_list_next(tp_node),
/* Iterates over both trace paths and names simultaneously. */
for (tp_node = trace_paths, tn_node = trace_names; tp_node;
tp_node = g_list_next(tp_node),