static unsigned get_nhuge(void) { return (get_nsizes_impl("arenas.nhchunks")); }
static unsigned get_nsmall(void) { return (get_nsizes_impl("arenas.nbins")); }
static unsigned get_nlarge(void) { return (get_nsizes_impl("arenas.nlruns")); }
static unsigned get_nlarge(void) { return get_nsizes_impl("arenas.nlextents"); }