To compile:
$ make
In one host, run the server:
$ ./server
In one or more other hosts, run the client:
$ ./client SERVER_ADDRESS TIME
To compile for MacOS ARM64:
$ make CC="zig cc -target aarch64-macos" \
CXX="zig c++ -target aarch64-macos" AR="zig ar" \
RANLIB="zig ranlib" USE_JEMALLOC=no USE_SYSTEMD=no