func os.underlyingError

4 uses

	os (current package)
		error.go#L113: 	terr, ok := underlyingError(err).(timeout)
		error.go#L121: 	err = underlyingError(err)
		error.go#L131: func underlyingError(err error) error {
		root_openat.go#L216: 		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}