Z_SYNC_FLUSH
error = decomp ? inflate(&zbuf, Z_SYNC_FLUSH) :
error = decomp ? inflate(&zbuf, Z_SYNC_FLUSH) :
res = inflate(&z, Z_SYNC_FLUSH);
res = inflate(&z, Z_SYNC_FLUSH);
while ((rc = inflate(&stream, Z_SYNC_FLUSH)) != Z_STREAM_END) {