Me. SQLlite. .NET's garbage collector. CPython's eval. Lua's lexer. xinit. dwm. These are off the top of my head that I've seen
https://raw.githubusercontent.com/dotnet/coreclr/master/src/...
https://github.com/catseye/Befunge-93/blob/master/src/bef.c
https://github.com/rust-lang/rust/blob/master/src/liballoc/v...
https://github.com/oxyc/luaparse/blob/master/luaparse.js
Yep. Pretty troll comment. Felt like taking the bite today. I'm going to get back to getting my lexer past 1000 lines today: https://github.com/serprex/luwa/blob/master/rt/lex.wawa