В чем причина ошибки при получении адреса функции из dll с помощью функции GetProcAddress?

#include<windows.h>
HHOOK _hook;
int code;
bool key;
UINT scancode;
WPARAM wPararam;
LRESULT CALLBACK KeyProc(int ncode,WPARAM wParam,LPARAM lParam){
    KBDLLHOOKSTRUCT * pStruct = (KBDLLHOOKSTRUCT *)lParam;
    code=pStruct->vkCode;scancode=pStruct->scanCode;
    wPararam=wParam;
    if(wParam==WM_KEYUP){key=false;code=0;}else{key=true;}
    return CallNextHookEx(_hook,ncode,wParam,lParam);
}

#include<windows.h>
#include<iostream>
#include"hook.h"
using namespace std;
int main(){
int (*func)();
FUNC func;
MSG msg;
HINSTANCE hinstDLL;
hinstDLL=LoadLibrary("dll.dll");
 (FARPROC &)func=GetProcAddress(hinstDLL,"KeyProc");
_hook = SetWindowsHookEx(WH_KEYBOARD,0,hinstDLL,func);
while(1){
PeekMessage(&msg,NULL,0,0,0);   
}
    }

typedef int (*FUNC)();

SetWindowsHookEx(WH_KEYBOARD,func,hinstDLL,0);

#include<windows.h>
#include<iostream>
#include"hook.h"
using namespace std;
int main(){
typedef FARPROC(*FUNC)(char *);
FUNC func;
MSG msg;
HINSTANCE hinstDLL;
hinstDLL=LoadLibrary("dll.dll");
 func=(FUNC)GetProcAddress(hinstDLL,"pnx");
_hook = SetWindowsHookEx(WH_KEYBOARD,0,hinstDLL,(DWORD)func);
cout<<(FARPROC)func;
while(1){
PeekMessage(&msg,NULL,0,0,0);
}
    }

    HMODULE hModule = LoadLibrary(L"dll.dll");
    if (!hModule) {
        cout << "LoadLibrary failed, last error: " << GetLastError() << endl;
        return 0;
    }
 
    FARPROC pFunc = GetProcAddress(hModule,"pnx");
    if (!pFunc) {
        cout << "GetProcAddress failed, last error: " << GetLastError() << endl;
        return 0;
    }

HOOKPROC func=(HOOKPROC)GetProcAddress(hinstDLL,"KeyProc");

__declspec(dllexport) LRESULT CALLBACK KeyProc(int ncode,WPARAM wParam,LPARAM lParam)

#include<windows.h>
#include<iostream>
HHOOK _hook;
__declspec(dllexport) LRESULT CALLBACK KeyProc(int ncode,WPARAM wParam,LPARAM lParam){
    std::cout<<"123";
    return CallNextHookEx(_hook,ncode,wParam,lParam);
}