[hrgiger]

I see and raise, to one line:

https://www.ioccc.org/2019/burton/prog.c

It is the Burton entry from The International Obfuscated C Code Contest, but seems like only handling ascii

https://www.ioccc.org/years-spoiler.html

Limits:

"Requires the C locale and ASCII character set. Input should be less than ten million octets to avoid this problem."

https://www.ioccc.org/2019/burton/hint.html