// last.
	// And it's also annoying if it's possible for users to set
	// different TTLs per Answer.
	if w.a.wrote {
		return
	}
	w.a.ttl = seconds

}

type AWriter struct{ ResponseWriter }

func (w AWriter) AddIP(v4 [4]byte) {
	w.a.wrote = true
	err := w.a.builder.AResource(w.header(), dnsmessage.AResource{A: v4})
	if err != nil {
		panic(err)
	}
}

		return 0, nil
	}
	return fixCount(syscall.Write(f.fd, b))
}

// pwrite writes len(b) bytes to the File starting at byte offset off.
// It returns the number of bytes written and an error, if any.
// Since Plan 9 preserves message boundaries, never allow
// a zero-byte write.
func (f *File) pwrite(b []byte, off int64) (n int, err error) {
	if err := f.writeLock(); err != nil {
		return 0, err
	}

     */
    boolean getRead();

    /**
     * Describes if a certain class of users has write access to a file or directory.
     * <p>
     * Write access is the capability to modify or remove the contents of a file,
     * or to add or remove files to/from a directory.
     */
    boolean getWrite();

    /**
     * Describes if a certain class of users has execute access to a file or directory.
     * <p>

	return pread(fd, buf, n, -1)
}

//go:nosplit
func write1(fd uintptr, buf unsafe.Pointer, n int32) int32 {
	return pwrite(int32(fd), buf, n, -1)
}

var _badsignal = []byte("runtime: signal received on thread not created by Go.\n")

// This runs on a foreign stack, without an m or a g. No stack split.
//
//go:nosplit
func badsignal2() {
	pwrite(2, unsafe.Pointer(&_badsignal[0]), int32(len(_badsignal)), -1)

//               |           |
//               v           |
//             Write         |
//               |           |
//               v           |
//           NextIteration --+
//
// we won't put (Read, Write) in the returned set.  This is fine if
// auto-clustering can only cluster the Read->Write edge, but it is a problem if
// it clusters the Write->NextIteration->Merge->Read edges instead.  So we rely

		}
	}
	if msan.Enabled && n > 0 {
		msan.Write(unsafe.Pointer(&p[0]), uintptr(n))
	}
	if asan.Enabled && n > 0 {
		asan.Write(unsafe.Pointer(&p[0]), uintptr(n))
	}
	return
}

func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
	if race.Enabled {
		race.ReleaseMerge(unsafe.Pointer(&ioSync))
	}
	n, err = pwrite(fd, p, offset)
	if race.Enabled && n > 0 {

        }
    }

    protected static boolean isWrite(int unixNumeric) {
        return (unixNumeric & 2) >> 1 == 1;
    }

    protected static boolean isWrite(String unixSymbolic) {
        char symbol = unixSymbolic.charAt(1);
        if (symbol == 'w') {
            return true;
        } else if (symbol == '-') {

		}
	}
	return n, nil
}

// Pwrite emulates the Unix pwrite system call.
func (fd *FD) Pwrite(buf []byte, off int64) (int, error) {
	if fd.kind == kindPipe {
		// Pwrite does not work with pipes
		return 0, syscall.ESPIPE
	}
	// Call incref, not writeLock, because since pwrite specifies the
	// offset it is independent from other writes.
	if err := fd.incref(); err != nil {
		return 0, err
	}

		return 0, err
	}
	js.CopyBytesToGo(b, buf)

	n2 := n.Int()
	f.pos += int64(n2)
	return n2, err
}

func Write(fd int, b []byte) (int, error) {
	f, err := fdToFile(fd)
	if err != nil {
		return 0, err
	}

	if f.seeked {
		n, err := Pwrite(fd, b, f.pos)
		f.pos += int64(n)
		return n, err
	}

	if faketime && (fd == 1 || fd == 2) {
		n := faketimeWrite(fd, b)

		defer cancel()

		didReadResponse := make(chan struct{}) // closed after CONNECT write+read is done or fails
		var (
			resp *Response
			err  error // write or read error
		)
		// Write the CONNECT request & read the response.
		go func() {
			defer close(didReadResponse)
			err = connectReq.Write(conn)
			if err != nil {
				return
			}