fcnet-types: Types shared between fcnet implementations.fcnet: The "standard" implementation that is linked into your binary and operates in-process at the cost of having your process be run at root to function properly.fcnet-cli: A thin CLI wrapper over thefcnetimplementation for testing purposes and non-automated usage.fcnetd: A Unix-socket-daemon based on thefcnetimplementation that runs as its own process, allowing the non-networking-related process to be rootless.fcnetd-client: An implementation that connects to sockets created by runningfcnetd.