__PTR_TO_INT
__INT_TO_PTR ((__PTR_TO_INT (new_chunk->contents) + h->alignment_mask)
#ifndef __PTR_TO_INT
= __INT_TO_PTR ((__PTR_TO_INT (__o1->next_free)+__o1->alignment_mask)\
(h)->temp = __PTR_TO_INT ((h)->object_base), \
= __INT_TO_PTR ((__PTR_TO_INT ((h)->next_free)+(h)->alignment_mask) \