HelenOS sources

AREA_LAST_BLOCK_FOOT  116 uspace/lib/c/generic/malloc.c 	((uintptr_t) BLOCK_HEAD(((heap_block_foot_t *) AREA_LAST_BLOCK_FOOT(area))))
AREA_LAST_BLOCK_FOOT  395 uspace/lib/c/generic/malloc.c 	    (heap_block_foot_t *) AREA_LAST_BLOCK_FOOT(area);