dumpcfg_t
dumpcfg_t *cfg = &dumpcfg;
static dumpcfg_t dumpcfg; /* config vars */
dumpcfg_t *old = &dumpcfg;
dumpcfg_t newcfg = *old;
dumpcfg_t *new = &newcfg;
dumpcfg_t *cfg = &dumpcfg;