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FAQ
This page answers some common project-level questions about cfstream.
cfstream is a lightweight C/C++ header-only library designed to make file input/output operations and redirection easier.
It provides simple interfaces for redirecting standard input and output, using independent C++ file streams, and checking the current library version.
In short, cfstream is a small helper library for local file-based testing and simple file I/O redirection in C and C++ projects.
cfstream is designed for C and C++ users who need a simple way to work with file input and output.
It may be useful for students, beginners, Informatics Olympiad (OI) learners, competitive programming users, and developers working on small C/C++ projects.
It is especially suitable for local testing, debugging, and file-based input/output scenarios where a lightweight helper is enough.
For modern cfstream usage, include the header that matches your language:
| Language | Recommended Header |
|---|---|
| C++ | cfs.hpp |
| C | cfs.h |
If you are writing a C++ project, you should normally use:
#include "cfs.hpp"If you are writing a C project, you should use:
#include "cfs.h"The C header cfs.h can also be included in C++ code for compatibility, but this is not recommended for normal C++ projects.
In C++ projects, cfs.h only provides functionality similar to standard stream redirection in cfs.hpp. It does not provide the C++ namespace-based interface or independent cfs::cin / cfs::cout file streams.
Because cfs.h does not use the cfs namespace, it may also cause naming conflicts in C++ projects.
For C++ users, prefer cfs.hpp unless you specifically need compatibility with the C-style interface.
You can report bugs, mistakes, or suggestions by opening an issue on the GitHub repository.
If you prefer to contact me directly, you can also send an email to:
3595864179@qq.com
When reporting a bug, please describe the problem clearly and include useful information such as your operating system, compiler, cfstream version, and a minimal example if possible.
You can collaborate with the project in several ways.
You can fork the repository, make your changes, and submit a pull request. Pull requests are welcome, but they will be reviewed before being merged.
You can also help by improving the documentation, reporting bugs, suggesting new features, or sharing your ideas.
If you prefer to contact me directly, you can send an email to:
3595864179@qq.com
Yes. cfstream is released under the MIT License, so you may use, copy, modify, merge, publish, distribute, sublicense, and use the code in your own projects, including commercial projects.
However, you must keep the original copyright notice and the MIT License notice when redistributing the code.
The code is provided “as is”, without warranty. The author is not responsible for any problems caused by using the code.
You can support the project by giving it a star on GitHub, recommending it to other users, or using it publicly in your own projects.
If cfstream is useful to you, sharing it with others is also a great way to support the project.
Feedback, suggestions, and real-world usage examples are always welcome.