This is an old-fashioned forking web server, making a new process for
each request, just like the first version of NCSA before they invented
It's intended as a simple testbed for trying out things like SSL.
It's surprisingly fast, though.
On my old 100MHz Pentium it clocked 70 ops/sec, 90% as fast as
Apache on that platform.
I suppose forks are pretty fast when the program's size is minuscule - the
executable is only 8KB.