Maybe here you'll find what you are looking for: https://www.w3.org/Daemon/

Though you can browse and download the latest version 3.0A (1996), there is a directory where they have older versions, but its a bunch of files mixed up with different versions. https://www.w3.org/Daemon/old/

Nice! HTDaemon.good, HTDaemon.old.c, some classic version control practices going on here.