953 struct arena_object {  struct
989     struct arena_object* nextarena;  argument
990     struct arena_object* prevarena;  argument
1180 static struct arena_object* arenas = NULL;
1187 static struct arena_object* unused_arena_objects = NULL;
1192 static struct arena_object* usable_arenas = NULL;
1195 static struct arena_object* nfp2lasta[MAX_POOLS_IN_ARENA + 1] = { NULL };
1242 static struct arena_object*
1245     struct arena_object* arenaobj;  in new_arena()
1273         arenaobj = (struct arena_object *)PyMem_RawRealloc(arenas, nbytes);  in new_arena()
1700     struct arena_object *ao = &arenas[pool->arenaindex];  in insert_to_freepool()
1708     struct arena_object* lastnf = nfp2lasta[nf];  in insert_to_freepool()
1716         struct arena_object* p = ao->prevarena;  in insert_to_freepool()