HelenOS sources

BLOCK_HEAD        116 uspace/lib/c/generic/malloc.c 	((uintptr_t) BLOCK_HEAD(((heap_block_foot_t *) AREA_LAST_BLOCK_FOOT(area))))
BLOCK_HEAD        396 uspace/lib/c/generic/malloc.c 	heap_block_head_t *last_head = BLOCK_HEAD(last_foot);
BLOCK_HEAD        473 uspace/lib/c/generic/malloc.c 					heap_block_head_t *prev_head = BLOCK_HEAD(prev_foot);