2 ms·

I don't understand why it would need to use strlen anyway. Why wouldn't it treat the string like a stream when scanf is already coded to operate on an actual st

by ziml77 6y ago

I don't understand why it would need to use strlen anyway. Why wouldn't it treat the string like a stream when scanf is already coded to operate on an actual stream?

JdeBP 6y ago
It's an implementation strategy, one of at least two, explained at https://news.ycombinator.com/item?id=26298300 https://news.ycombinator.com/item?id=26298300 on this very page.