code: func RcPath() (string, error) {
  	homedrive := os.Getenv("HOMEDRIVE")
  	if homedrive == "" {
  		return "", ErrMissingHome
  	}
  
  	homedir := os.Getenv("HOMEDIR")
  	if homedir == "" {
  		return "", ErrMissingHome
  	}
  
  	return path.Join(homedrive, homedir, rcFilename), nil
  }
docs: // RcPath returns the torusrc filepath