It turns out you're right, and that's how I've actually written these examples in the past. A sibling comment provided a citation, and that I should really have

It turns out you're right, and that's how I've actually written these examples in the past. A sibling comment provided a citation, and that I should really have been writing uint_leastXX_t: https://en.cppreference.com/w/c/types/integer https://en.cppreference.com/w/c/types/integer