And a few seconds more to write a stub `stdio.h` that will allow to compile at least helloworld.

Writing a compiler that can compile the Linux kernel is a bit more involved.

Claude built an optimizer as well. (Not a great one) that takes a lot more. Yes I could lively brute force a C compiler that works much faster.

Right, and that was a design goal of C language... to be close to the machine.

Famous last words.