NewReader creates a new ReadCloser.

NewReaderDict is like NewReader but uses a preset dictionary.

NewWriter creates a new Writer.

NewWriterDict is like NewWriter but specifies a dictionary to compress with.

NewWriterLevel is like NewWriter but specifies the compression level instead of assuming DefaultCompression.

NewWriterLevelDict is like NewWriterLevel but specifies a dictionary to compress with.

ReadBytes returns a reader for reading zlib-compressed bytes from an input slice.

ReadFile returns a reader for reading bytes from a zlib-compressed file.

WriteFile returns a Writer for writing to a local file.