# Compression Folio Calls

This chapter describes the compression folio procedure calls. The following list provides a brief description of each call.

- `CreateCompressor` Creates a compression engine.
- `CreateDecompressor` Creates a decompression engine.
- `DeleteCompressor` Deletes a compression engine.
- `DeleteDecompressor` Deletes a decompression engine.
- `FeedCompressor` Gives data to a compression engine.
- `FeedDecompressor` Gives data to the decompression engine.
- `GetCompressorWorkBufferSize` Gets the size of the work buffer needed by a compression engine.
- `GetDecompressorWorkBufferSize` Gets the size of the work buffer needed by a decompression engine.
- `SimpleCompress` Compresses some data in memory.
- `SimpleDecompress` Decompresses some data in memory.