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Wrapper around the Double Dummy Solver C++ Library.
The newest version!
// Generated by jextract

package dds;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct deal {
 *     int trump;
 *     int first;
 *     int currentTrickSuit[3];
 *     int currentTrickRank[3];
 *     unsigned int remainCards[4][4];
 * }
 * }
 */
public class deal {

    deal() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        Dds.C_INT.withName("trump"),
        Dds.C_INT.withName("first"),
        MemoryLayout.sequenceLayout(3, Dds.C_INT).withName("currentTrickSuit"),
        MemoryLayout.sequenceLayout(3, Dds.C_INT).withName("currentTrickRank"),
        MemoryLayout.sequenceLayout(4, MemoryLayout.sequenceLayout(4, Dds.C_INT)).withName("remainCards")
    ).withName("deal");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final OfInt trump$LAYOUT = (OfInt)$LAYOUT.select(groupElement("trump"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int trump
     * }
     */
    public static final OfInt trump$layout() {
        return trump$LAYOUT;
    }

    private static final long trump$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int trump
     * }
     */
    public static final long trump$offset() {
        return trump$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int trump
     * }
     */
    public static int trump(MemorySegment struct) {
        return struct.get(trump$LAYOUT, trump$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int trump
     * }
     */
    public static void trump(MemorySegment struct, int fieldValue) {
        struct.set(trump$LAYOUT, trump$OFFSET, fieldValue);
    }

    private static final OfInt first$LAYOUT = (OfInt)$LAYOUT.select(groupElement("first"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int first
     * }
     */
    public static final OfInt first$layout() {
        return first$LAYOUT;
    }

    private static final long first$OFFSET = 4;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int first
     * }
     */
    public static final long first$offset() {
        return first$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int first
     * }
     */
    public static int first(MemorySegment struct) {
        return struct.get(first$LAYOUT, first$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int first
     * }
     */
    public static void first(MemorySegment struct, int fieldValue) {
        struct.set(first$LAYOUT, first$OFFSET, fieldValue);
    }

    private static final SequenceLayout currentTrickSuit$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("currentTrickSuit"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int currentTrickSuit[3]
     * }
     */
    public static final SequenceLayout currentTrickSuit$layout() {
        return currentTrickSuit$LAYOUT;
    }

    private static final long currentTrickSuit$OFFSET = 8;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int currentTrickSuit[3]
     * }
     */
    public static final long currentTrickSuit$offset() {
        return currentTrickSuit$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int currentTrickSuit[3]
     * }
     */
    public static MemorySegment currentTrickSuit(MemorySegment struct) {
        return struct.asSlice(currentTrickSuit$OFFSET, currentTrickSuit$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int currentTrickSuit[3]
     * }
     */
    public static void currentTrickSuit(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, currentTrickSuit$OFFSET, currentTrickSuit$LAYOUT.byteSize());
    }

    private static long[] currentTrickSuit$DIMS = { 3 };

    /**
     * Dimensions for array field:
     * {@snippet lang=c :
     * int currentTrickSuit[3]
     * }
     */
    public static long[] currentTrickSuit$dimensions() {
        return currentTrickSuit$DIMS;
    }
    private static final VarHandle currentTrickSuit$ELEM_HANDLE = currentTrickSuit$LAYOUT.varHandle(sequenceElement());

    /**
     * Indexed getter for field:
     * {@snippet lang=c :
     * int currentTrickSuit[3]
     * }
     */
    public static int currentTrickSuit(MemorySegment struct, long index0) {
        return (int)currentTrickSuit$ELEM_HANDLE.get(struct, 0L, index0);
    }

    /**
     * Indexed setter for field:
     * {@snippet lang=c :
     * int currentTrickSuit[3]
     * }
     */
    public static void currentTrickSuit(MemorySegment struct, long index0, int fieldValue) {
        currentTrickSuit$ELEM_HANDLE.set(struct, 0L, index0, fieldValue);
    }

    private static final SequenceLayout currentTrickRank$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("currentTrickRank"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int currentTrickRank[3]
     * }
     */
    public static final SequenceLayout currentTrickRank$layout() {
        return currentTrickRank$LAYOUT;
    }

    private static final long currentTrickRank$OFFSET = 20;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int currentTrickRank[3]
     * }
     */
    public static final long currentTrickRank$offset() {
        return currentTrickRank$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int currentTrickRank[3]
     * }
     */
    public static MemorySegment currentTrickRank(MemorySegment struct) {
        return struct.asSlice(currentTrickRank$OFFSET, currentTrickRank$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int currentTrickRank[3]
     * }
     */
    public static void currentTrickRank(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, currentTrickRank$OFFSET, currentTrickRank$LAYOUT.byteSize());
    }

    private static long[] currentTrickRank$DIMS = { 3 };

    /**
     * Dimensions for array field:
     * {@snippet lang=c :
     * int currentTrickRank[3]
     * }
     */
    public static long[] currentTrickRank$dimensions() {
        return currentTrickRank$DIMS;
    }
    private static final VarHandle currentTrickRank$ELEM_HANDLE = currentTrickRank$LAYOUT.varHandle(sequenceElement());

    /**
     * Indexed getter for field:
     * {@snippet lang=c :
     * int currentTrickRank[3]
     * }
     */
    public static int currentTrickRank(MemorySegment struct, long index0) {
        return (int)currentTrickRank$ELEM_HANDLE.get(struct, 0L, index0);
    }

    /**
     * Indexed setter for field:
     * {@snippet lang=c :
     * int currentTrickRank[3]
     * }
     */
    public static void currentTrickRank(MemorySegment struct, long index0, int fieldValue) {
        currentTrickRank$ELEM_HANDLE.set(struct, 0L, index0, fieldValue);
    }

    private static final SequenceLayout remainCards$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("remainCards"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * unsigned int remainCards[4][4]
     * }
     */
    public static final SequenceLayout remainCards$layout() {
        return remainCards$LAYOUT;
    }

    private static final long remainCards$OFFSET = 32;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * unsigned int remainCards[4][4]
     * }
     */
    public static final long remainCards$offset() {
        return remainCards$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * unsigned int remainCards[4][4]
     * }
     */
    public static MemorySegment remainCards(MemorySegment struct) {
        return struct.asSlice(remainCards$OFFSET, remainCards$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * unsigned int remainCards[4][4]
     * }
     */
    public static void remainCards(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, remainCards$OFFSET, remainCards$LAYOUT.byteSize());
    }

    private static long[] remainCards$DIMS = { 4, 4 };

    /**
     * Dimensions for array field:
     * {@snippet lang=c :
     * unsigned int remainCards[4][4]
     * }
     */
    public static long[] remainCards$dimensions() {
        return remainCards$DIMS;
    }
    private static final VarHandle remainCards$ELEM_HANDLE = remainCards$LAYOUT.varHandle(sequenceElement(), sequenceElement());

    /**
     * Indexed getter for field:
     * {@snippet lang=c :
     * unsigned int remainCards[4][4]
     * }
     */
    public static int remainCards(MemorySegment struct, long index0, long index1) {
        return (int)remainCards$ELEM_HANDLE.get(struct, 0L, index0, index1);
    }

    /**
     * Indexed setter for field:
     * {@snippet lang=c :
     * unsigned int remainCards[4][4]
     * }
     */
    public static void remainCards(MemorySegment struct, long index0, long index1, int fieldValue) {
        remainCards$ELEM_HANDLE.set(struct, 0L, index0, index1, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}