DH54ZJMWE66C6MBAFM4BEWBNRUPUHKP7N7OR6WZG76F5TCJ2F5DQC
let mut cstream = zstd_seekable::SeekableCStream::new(LEVEL, FRAME_SIZE).unwrap();
let mut level = LEVEL;
if let Ok(l) = std::env::var("ZSTD_LEVEL") {
if let Ok(l) = l.parse() {
level = l
}
}
let mut cstream = zstd_seekable::SeekableCStream::new(level, FRAME_SIZE).unwrap();