| bit | A namespace containing classes for storing n-gram language models in a bit-packed trie structure |
| conf | Configuration options, command line parameters and config files |
| endian | Tools for handling conversions between different byte orders |
| io | Function and classes for opening files, compressed files, or process pipes transparently |
| str | Functions for handling strings of the Standard Template Library |
| util | Common utility functions |
1.4.6