void (*q)(void);
};
typedef union max_align max_align_t;
typedef union max_align halloc_max_align_t;
#endif
hlist_item_t siblings; /* 2 pointers */
hlist_head_t children; /* 1 pointer */
max_align_t data[1]; /* not allocated, see below */
halloc_max_align_t data[1]; /* not allocated, see below */
} hblock_t;