[Merg]

Just open the docs. Seriously, first link in Google/DDG/Bing on topic of "<any c string routine> safety" will explain it to you. I am self-taught and I can see it.

Seriously, just looking at function arguments shows you, there is a problem under the hood. Reading docs also will point out.

It is open-source, read and learn from Git, Linux code and so on. If you do not have experience is sysdev or high security, just don't contribute there.

This is like saying, construction engineering is gatekeeping beginners, because you have to work for few years before you can start your own project.