struct lwsac
allocated area
struct lwsac *head
nextheadcurr
ofsalloc_size
ptr aligned
struct lwsac
allocated area
struct lwsac *head
nextheadcurr
ofsalloc_size
lwsac_use area
ptr aligned
alignment padding
lwsac_use area
ptr aligned
alignment padding
ptr aligned
struct lwsac
allocated area
struct lwsac *head
nextheadcurr
ofsalloc_size
lwsac_use area
alignment padding
lwsac_use area
ptr aligned
alignment padding
struct lwsac
allocated area
nextheadcurr
ofsalloc_size
lwsac_use area
ptr aligned
alignment padding
NULL
NULL
NULL
empty, generic lwsac
lwsac with 2 "uses"
lwsac with 2 "uses", 3rd requires a new one