func Setxattr(path string, attr string, data []byte, flags int) (err error) {
	return errUnsupported
}
Setxattr calls syscall setxattr
package sysx
import (
	"errors"
	"runtime"
)
var errUnsupported = errors.New("extended attributes unsupported on " + runtime.GOOS)
func Listxattr(path string) ([]string, error) {
	return []string{}, nil
}
func Removexattr(path string, attr string) (err error) {
	return errUnsupported
}