//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris // +build darwin dragonfly freebsd linux netbsd openbsd solaris package main import "flag" var ( unix = flag.String("unix", "", `Use instead of -p to indicate listening on a Unix domain socket instead of a TCP port. If present, must be the path to a domain socket.`) ) func init() { getUnixSocket = func() string { return *unix } }