Zig is a new, independently developed low-level programming language. It’s a modern reimagining of C that attempts to retain C’s performance while embracing improvements from the last 30 years of tooling and language design. Zig makes calling into C code easier than any other language I’ve used. Zig also treats unit testing as a first-class feature, which the C language certainly does not. These two properties of Zig create an interesting opportunity: Zig allows you to add unit tests to existing C code. You can do this without rewriting any of your C code or build logic.
Software bloggers can make the same mistakes for years that prevent readers from discovering their writing. I know because I'm one of them. Over time, I've learned techniques that help some blog posts succeed and the pitfalls that cause others to languish in obscurity.