Note that the SQLite authors intentionally did that. It runs on many many systems including ones with trivial amounts of RAM. They have ancient compilers. I'

Note that the SQLite authors intentionally did that. It runs on many many systems including ones with trivial amounts of RAM. They have ancient compilers. I've waged a many year campaign to get them to at least use size_t and similar "modern" constructs, but no dice. They also only use techniques that are at least 20 years old, to avoid patent issues.