what's wrong in my C program ?

Posted by user292084 on Stack Overflow See other posts from Stack Overflow or by user292084
Published on 2010-04-13T05:11:49Z Indexed on 2010/04/13 5:22 UTC
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a cpp file:

#include <iostream>
#include <jni.h>
#include "Hello.h"
#include "windows.h"
#include "stdafx.h"

#define HINSTANCE "hDll"

typedef void(__stdcall *Print_)();

int main(){

  HINSTANCE hDll;   //DLL?? 
  Print_ print_;  //????
  hDll = LoadLibrary("Hello.dll");

  if (hDll != NULL)
   { 

    print_ = (Print_)GetProcAddress(hDll,"Java_Hello_sayHello@8"); 
    if(print_!=NULL)
    {

     print_();
    } 
    FreeLibrary(hDll); 
   }
 return 0;

}

//there is something wrong, it prints: http://i983.photobucket.com/albums/ae311/keatingWang/c_wrong.png ??????? means : Undeclared identifier

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