CHUNK_SIZE
#define CHUNKS(x) (((x) + CHUNK_SIZE - 1) / CHUNK_SIZE)
if (llen > CHUNK_SIZE)
llen = CHUNK_SIZE;
int tries = CHUNK_SIZE / sz;
if (count < CHUNK_SIZE)
count = CHUNK_SIZE;
for (int pass = 0; pass < count / CHUNK_SIZE; pass++) {
int tries = CHUNK_SIZE / sz;
if (count < CHUNK_SIZE)
count = CHUNK_SIZE;
for (int pass = 0; pass < count / CHUNK_SIZE; pass++) {
for (int pass = 0; pass < CHUNK_SIZE / sz; pass++) {
if (count < CHUNK_SIZE)
count = CHUNK_SIZE;
for (int pass = 0; pass < count / CHUNK_SIZE; pass++) {