mem_zone
struct mem_zone *zone = mem;
struct mem_zone *zone;
zone = malloc(sizeof(struct mem_zone));
struct mem_zone *zone = strm->opaque;
struct mem_zone *zone = strm->opaque;
struct mem_zone *zone = strm->opaque;
struct mem_zone *zone = strm->opaque;
struct mem_zone *zone = mem;