dladm_walk_usage_time
status = dladm_walk_usage_time(show_usage_time,
status = dladm_walk_usage_time(show_history_time,
status = dladm_walk_usage_time(show_history_time,
extern dladm_status_t dladm_walk_usage_time(int (*)(dladm_usage_t *, void *),