int APIENTRY InterDoConnect (HCON * hc)

import com.sun.jna.Library;
import com.sun.jna.Native;

public class DkbKassir{
  public interface iSibcash extends Library{        
    int InterDoConnect(String hc);
  }
  private iSibcash sibcash=(iSibcash)Native.loadLibrary("sibcash",iSibcash.class);

  
  private int InterDoConnect(String hc){
    return sibcash.InterDoConnect(hc);
  }

  public static void main(String[] args) throws InterruptedException{
    DkbKassir kassir = new DkbKassir();
    System.out.println(kassir.InterDoConnect(""));    
  }
}

HCON * 

int APIENTRY InterDoConnect(int *);

private int InterDoConnect(/*String*/ int hc){
    return sibcash.InterDoConnect(hc); //для dll sibcash, hc - out параметр
  }

  private int InterDoConnect(){   
    PointerByReference ptrRef = new PointerByReference();
    int ret=sibcash.InterDoConnect(ptrRef);
    Pointer p = ptrRef.getValue();
    int i = p.getInt(0);
    System.out.println("i="+i);
    System.out.println("ret="+ret);
    return ret;
  }

Exception in thread "main" java.lang.Error: Invalid memory access
    at com.sun.jna.Native.getInt(Native Method)
    at com.sun.jna.Pointer.getInt(Pointer.java:601)
    at schegrov.DkbKassir.InterDoConnect(DkbKassir.java:29)
    at schegrov.DkbKassir.main(DkbKassir.java:45)
Process exited with exit code 1.

  private int InterDoConnect(){   
    IntByReference lint = new IntByReference();
    int ret=sibcash.InterDoConnect(lint);
    System.out.println(lint.getValue());
    return ret;
  }