// C string to Go string
	func C.GoString(*C.char) string

	// C data with explicit length to Go string
	func C.GoStringN(*C.char, C.int) string

	// C data with explicit length to Go []byte
	func C.GoBytes(unsafe.Pointer, C.int) []byte

As a special case, C.malloc does not call the C library malloc directly
but instead calls a Go helper function that wraps the C library malloc

        assertNotEquals(guid1, guid2);
        assertEquals(16, guid1.toBytes().length);
        assertEquals(16, guid2.toBytes().length);
    }

    @Test
    public void testHandleGuidRoundTrip() {
        HandleGuid original = new HandleGuid();
        byte[] bytes = original.toBytes();
        HandleGuid reconstructed = new HandleGuid(bytes);

        assertEquals(original, reconstructed);

        HandleGuid guid2 = new HandleGuid();
        
        assertNotEquals(guid1, guid2);
        assertEquals(16, guid1.toBytes().length);
        
        // Test round-trip
        HandleGuid guid3 = new HandleGuid(guid1.toBytes());
        assertEquals(guid1, guid3);
    }
    
    @Test
    public void testHandleInfoExpiration() {
        HandleInfo info = new HandleInfo(

    }

    /**
     * Convert the GUID to byte array for wire format (little-endian as per MS-SMB2)
     * @return 16-byte array representing the GUID in SMB wire format
     */
    public byte[] toBytes() {
        byte[] result = new byte[16];
        ByteBuffer bb = ByteBuffer.wrap(result).order(java.nio.ByteOrder.LITTLE_ENDIAN);

        long mostSig = guid.getMostSignificantBits();

        dstIndex += 4;

        SMBUtil.writeInt8(0, dst, dstIndex); // Reserved (8 bytes)
        dstIndex += 8;

        System.arraycopy(createGuid.toBytes(), 0, dst, dstIndex, 16); // CreateGuid (16 bytes)
        dstIndex += 16;

        return dstIndex - start;
    }

pkg syscall (freebsd-386-cgo), type IfData struct, Mtu uint32
pkg syscall (freebsd-386-cgo), type IfData struct, Noproto uint32
pkg syscall (freebsd-386-cgo), type IfData struct, Obytes uint32
pkg syscall (freebsd-386-cgo), type IfData struct, Oerrors uint32
pkg syscall (freebsd-386-cgo), type IfData struct, Omcasts uint32
pkg syscall (freebsd-386-cgo), type IfData struct, Opackets uint32

pkg syscall (netbsd-arm64-cgo), type IfData struct, Mtu uint64
pkg syscall (netbsd-arm64-cgo), type IfData struct, Noproto uint64
pkg syscall (netbsd-arm64-cgo), type IfData struct, Obytes uint64
pkg syscall (netbsd-arm64-cgo), type IfData struct, Oerrors uint64
pkg syscall (netbsd-arm64-cgo), type IfData struct, Omcasts uint64
pkg syscall (netbsd-arm64-cgo), type IfData struct, Opackets uint64

pkg syscall (freebsd-arm64), type IfData struct, Mtu uint64
pkg syscall (freebsd-arm64), type IfData struct, Noproto uint64
pkg syscall (freebsd-arm64), type IfData struct, Obytes uint64
pkg syscall (freebsd-arm64), type IfData struct, Oerrors uint64
pkg syscall (freebsd-arm64), type IfData struct, Omcasts uint64
pkg syscall (freebsd-arm64), type IfData struct, Opackets uint64

pkg syscall (darwin-arm64), type IfData struct, Metric uint32
pkg syscall (darwin-arm64), type IfData struct, Mtu uint32
pkg syscall (darwin-arm64), type IfData struct, Noproto uint32
pkg syscall (darwin-arm64), type IfData struct, Obytes uint32
pkg syscall (darwin-arm64), type IfData struct, Oerrors uint32
pkg syscall (darwin-arm64), type IfData struct, Omcasts uint32
pkg syscall (darwin-arm64), type IfData struct, Opackets uint32

pkg syscall (darwin-386), type IfData struct, Metric uint32
pkg syscall (darwin-386), type IfData struct, Mtu uint32
pkg syscall (darwin-386), type IfData struct, Noproto uint32
pkg syscall (darwin-386), type IfData struct, Obytes uint32
pkg syscall (darwin-386), type IfData struct, Oerrors uint32
pkg syscall (darwin-386), type IfData struct, Omcasts uint32
pkg syscall (darwin-386), type IfData struct, Opackets uint32