For context: This piece of C code from 1990 was mentioned recently in https://news.ycombinator.com/item?id=6371968 https://news.ycombinator.com/item?id=6371968.

For context: This piece of C code from 1990 was mentioned recently in https://news.ycombinator.com/item?id=6371968 https://news.ycombinator.com/item?id=6371968. It was discussed in https://news.ycombinator.com/item?id=375945 https://news.ycombinator.com/item?id=375945 over 4 years ago.