Вызов Dll-фий в другой Dll

dll1.cpp
{
  int func1(int x)
{
 return x * x;
}
}
 
 
dll2.cpp
{
  int func2(int x)
{
   return func1(x); //???????
}
}
 
 
main
{
   call dll2.func2();
}

#include <stdio.h>
#include <windows.h>
#include "app_cDirect.h"
 
typedef int (__cdecl *MYPROC)(int, int);
 
JNIEXPORT jint JNICALL Java_app_cDirect_cr_1get_1version_1info(JNIEnv * jenv, jclass jobj, jobject str)
{
    int res = 0;
 
    HINSTANCE hinstLib;
    MYPROC ProcAdd;
    BOOL fFreeResult, fRunTimeLinkSuccess = FALSE;
 
    hinstLib = LoadLibrary(TEXT("D:\\dll8.dll"));
 
    if (hinstLib != NULL)
    {
        ProcAdd = (MYPROC) GetProcAddress(hinstLib, "summ");
 
        if (NULL != ProcAdd)
        {
            fRunTimeLinkSuccess = TRUE;
            res = (ProcAdd) (4,7);
        }
        // Free the DLL module.
 
        fFreeResult = FreeLibrary(hinstLib);
    }
 
    // If unable to call the DLL function, use an alternative.
    if (! fRunTimeLinkSuccess)
        printf("Message printed from executable\n");
 
   
 
    return res;
}