| # Table of contents |
| |
| | File | Purpose | |
| |------------------------------------------------------------------------------------|-----------------------------------------------------------------| |
| | [bitfields.d](https://github.com/dlang/dmd/blob/master/compiler/src/dmd/common/bitfields.d) | Pack multiple boolean fields into bit fields | |
| | [file.d](https://github.com/dlang/dmd/blob/master/compiler/src/dmd/common/file.d) | Functions and objects dedicated to file I/O and management | |
| | [outbuffer.d](https://github.com/dlang/dmd/blob/master/compiler/src/dmd/common/outbuffer.d) | An expandable buffer in which you can write text or binary data | |
| | [string.d](https://github.com/dlang/dmd/blob/master/compiler/src/dmd/common/smallbuffer.d) | Common string functions including filename manipulation | |
