1# Table of contents
2
3| File                                                                                 | Purpose                                                                                    |
4|--------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------|
5| [aav.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/aav.d)                 | An associative array implementation                                                        |
6| [array.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/array.d)             | A dynamic array implementation                                                             |
7| [bitarray.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/bitarray.d)       | A compact array of bits                                                                    |
8| [ctfloat.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/ctfloat.d)         | A floating point type for compile-time calculations                                        |
9| [file.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/file.d)               | Read a file from disk and store it in memory                                               |
10| [filename.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/filename.d)       | Encapsulate path and file names                                                            |
11| [hash.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/hash.d)               | Calculate a hash for a byte array                                                          |
12| [longdouble.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/longdouble.d)   | 80-bit floating point number implementation in case they are not natively supported        |
13| [man.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/man.d)                 | Opens an online manual page                                                                |
14| [outbuffer.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/outbuffer.d)     | An expandable buffer in which you can write text or binary data.                           |
15| [port.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/port.d)               | Portable routines for functions that have different implementations on different platforms |
16| [region.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/region.d)           | A region allocator                                                                         |
17| [response.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/response.d)       | Parse command line arguments from response files                                           |
18| [rmem.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/rmem.d)               | Allocate memory using `malloc` or the GC depending on the configuration                    |
19| [rootobject.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/rootobject.d)   | A root object that classes in dmd inherit from                                             |
20| [speller.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/speller.d)         | Try to detect typos in identifiers                                                         |
21| [string.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/string.d)           | Various string related functions                                                           |
22| [stringtable.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/stringtable.d) | Specialized associative array with string keys stored in a variable length structure       |
23| [strtold.d](https://github.com/dlang/dmd/blob/master/src/dmd/root/strtold.d)         | D implementation of the standard C function `strtold` (String to long double)               |
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