dnscrypt-proxy/vendor/github.com/powerman/check/color_linux.go

// +build linux

package check

import (
	"os"

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

func isTerminal() bool {
	_, err := unix.IoctlGetTermios(int(os.Stdout.Fd()), unix.TCGETS)
	return err == nil
}