Adding a getc function

[dreamer-coding]

Fossil XSDK Pull Request

Description

During the development of Shark it was pointed out that a getc variation was missing from the input API so added it to the collection.

Testing

New test cases for new getc function.

Checklist

• Code follows the project's coding standards.
• Tests have been added or updated to cover the changes.
• Documentation has been updated to reflect the changes.
• The code has been reviewed by team members.
• All checks and tests pass.
• The license header and notices are updated where necessary.

License

This project is licensed under the Mozilla Public License - see the LICENSE file for details.