Function init_cstream
fn init_cstream(zcs: &mut CStream<'_>, compression_level: CompressionLevel) -> SafeResultPrepares an existing CStream for compression at the given level.
init_cstreamfn init_cstream(zcs: &mut CStream<'_>, compression_level: CompressionLevel) -> SafeResultPrepares an existing CStream for compression at the given level.