VictoriaMetrics/app/vmctl/terminal/unix_bsd.go

//go:build darwin || freebsd || openbsd

package terminal

import "golang.org/x/sys/unix"

const ioctlReadTermios = unix.TIOCGETA

func isTerminal(fd int) bool {
	_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
	return err == nil
}