return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}

func Pipe(p []int) error {
	return Pipe2(p, 0)
}

//sysnb pipe2(p *[2]_C_int, flags int) (err error)

func Pipe2(p []int, flags int) error {
	if len(p) != 2 {
		return EINVAL
	}
	var pp [2]_C_int
	err := pipe2(&pp, flags)
	if err == nil {
		p[0] = int(pp[0])
		p[1] = int(pp[1])
	}
	return err
}

        stat.length == 0
        assertSameAccessType(stat, VIA_SYMLINK)
    }

    @Requires(UnitTestPreconditions.UnixDerivative)
    def "stats named pipes"() {
        def pipe = tmpDir.file("testPipe").createNamedPipe()

        when:
        accessor.stat(pipe)
        then:
        thrown(UncheckedIOException)
    }

    @Requires(UnitTestPreconditions.FilePermissions)

	}
}

// Test that sendfile doesn't put a pipe into blocking mode.
func TestSendfilePipe(t *testing.T) {
	switch runtime.GOOS {
	case "plan9", "windows", "js", "wasip1":
		// These systems don't support deadlines on pipes.
		t.Skipf("skipping on %s", runtime.GOOS)
	}

	t.Parallel()

	ln := newLocalListener(t, "tcp")
	defer ln.Close()

	r, w, err := os.Pipe()
	if err != nil {
		t.Fatal(err)
	}

	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}

func Pipe(p []int) error {
	return Pipe2(p, 0)
}

//sysnb pipe2(p *[2]_C_int, flags int) (err error)

func Pipe2(p []int, flags int) error {
	if len(p) != 2 {
		return EINVAL
	}
	var pp [2]_C_int
	err := pipe2(&pp, flags)
	if err == nil {
		p[0] = int(pp[0])
		p[1] = int(pp[1])
	}
	return err
}

		// stderr pipe is closed.
		if ee := new(*exec.ExitError); !errors.As(err, ee) {
			t.Errorf("Wait error = %v; want %T", err, *ee)
		}
	})

	// If the process exits with status 0 but leaves a child behind writing
	// to its output pipes, Wait should only wait for WaitDelay before
	// closing the pipes and returning.  Wait should return ErrWaitDelay

		return nil, err
	}
	return &u, nil
}

func Pipe(p []int) (err error) {
	return Pipe2(p, 0)
}

//sysnb	pipe2(p *[2]_C_int, flags int) (err error)

func Pipe2(p []int, flags int) error {
	if len(p) != 2 {
		return EINVAL
	}
	var pp [2]_C_int
	err := pipe2(&pp, flags)
	if err == nil {
		p[0] = int(pp[0])
		p[1] = int(pp[1])
	}
	return err
}

		return nil, err
	}
	if n != SizeofUvmexp {
		return nil, EIO
	}
	return &u, nil
}

func Pipe(p []int) (err error) {
	return Pipe2(p, 0)
}

//sysnb	pipe2(p *[2]_C_int, flags int) (err error)

func Pipe2(p []int, flags int) error {
	if len(p) != 2 {
		return EINVAL
	}
	var pp [2]_C_int
	err := pipe2(&pp, flags)
	if err == nil {
		p[0] = int(pp[0])
		p[1] = int(pp[1])
	}
	return err
}

// Copied from package net.
func myPipe() (*pipe, *pipe) {
	r1, w1 := io.Pipe()
	r2, w2 := io.Pipe()

	return &pipe{r1, w2}, &pipe{r2, w1}
}

type pipe struct {
	*io.PipeReader
	*io.PipeWriter
}

type pipeAddr int

func (pipeAddr) Network() string {
	return "pipe"
}

func (pipeAddr) String() string {
	return "pipe"
}

func (p *pipe) Close() error {

			if err1 != 0 {
				goto childerror
			}
			_, _, err1 = RawSyscall(SYS_FCNTL, uintptr(nextfd), F_SETFD, FD_CLOEXEC)
		}
		if err1 != 0 {
			goto childerror
		}
		pipe = nextfd
		nextfd++
	}
	for i = 0; i < len(fd); i++ {
		if fd[i] >= 0 && fd[i] < i {
			if nextfd == pipe { // don't stomp on pipe
				nextfd++
			}

			pipe.IsAssign = next.typ == itemAssign
			t.nextNonSpace()
			pipe.Decl = append(pipe.Decl, t.newVariable(v.pos, v.val))
			t.vars = append(t.vars, v.val)
		case next.typ == itemChar && next.val == ",":
			t.nextNonSpace()
			pipe.Decl = append(pipe.Decl, t.newVariable(v.pos, v.val))
			t.vars = append(t.vars, v.val)
			if context == "range" && len(pipe.Decl) < 2 {
				switch t.peekNonSpace().typ {