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by phkahler 1400 days ago
I'd argue that is a terrible way to write it since it depends on the rollover to terminate. Using i >= 0 is less mental work but also requires that i be signed.
2 comments

Rollover on unsigned ints is well-defined in C.
I think their point is that it's less well defined in the average human's brain

When most people see 0 - 1 they don't immediately think 11111111111111111111111111111111

We're talking about C, though. I hope the average human is not writing C.
the average person writing C is absolutely an average human in terms of relationship with mathematics
if we used i >= 0 and someone were to come in and change "int i" to "unsigned i" or "size_t i", the result would be catastrophic
The same argument can be applied to GP's code with the added bonus it will cause UB at some point.