Create oi.c

[offensive-vk]

Please Tick / Choose Options Accordingly - Classics | C/C++

Any change needs to be discussed before proceeding. Failure to do so may result in the rejection of the pull request.

Please ensure all the boxes below are checked before submitting your pull request:

0. I've understood the Readme of this Project.
1. I've discussed this change with the team and/or community members.
2. I've read and understood the Contributing Guidelines and Code of Conduct.
3. I have sufficient knowledge of all topics required to contribute to this project.
4. This Pull Request is not a duplicate of any previously submitted PR.
5. I am the sole author of this PR.
6. I've formatted any changed code according to the project's code style guidelines.

---

Thanks for considering to submit a pull request! We appreciate your contribution.

Choose the language of this PR. (One or more)

1. Documentation Fixes (Markdown)
2. Bash Scripts / Shell Scripting
3. C Programming (Old, Legacy, System Level)
4. C++ Programming (Modern, High Level, Legacy, System Level)
5. Dotfiles or Repository Fixes.
6. Assembly x86 (Oldest, Hard, No Changes)
7. Unclassified or Unknown Changes. (Automated)

Code formatting

• I've Formatted Any Changed Code.
• I understand the working of the code i am changing.

Summary

This PR fixes/implements the following bugs/features:

• Bug 1
• Bug 2
• Feature 1
• Feature 2
• Anything else?

Closing issues

---