Schaut mal

------ Build started: Project: Pacman, Configuration: Debug Win32 ------
Linking...
pacman.obj : error LNK2019: unresolved external symbol __imp__DefWindowProcW@16 referenced in function "long __stdcall programm_windowhandler(struct HWND__ *,unsigned int,unsigned int,long)" (?programm_windowhandler@@YGJPAUHWND__@@IIJ@Z)
pacman.obj : error LNK2019: unresolved external symbol __imp__PostQuitMessage@4 referenced in function "long __stdcall programm_windowhandler(struct HWND__ *,unsigned int,unsigned int,long)" (?programm_windowhandler@@YGJPAUHWND__@@IIJ@Z)
pacman.obj : error LNK2019: unresolved external symbol __imp__PostMessageW@16 referenced in function "long __stdcall programm_windowhandler(struct HWND__ *,unsigned int,unsigned int,long)" (?programm_windowhandler@@YGJPAUHWND__@@IIJ@Z)
pacman.obj : error LNK2019: unresolved external symbol __RTC_CheckEsp referenced in function "long __stdcall programm_windowhandler(struct HWND__ *,unsigned int,unsigned int,long)" (?programm_windowhandler@@YGJPAUHWND__@@IIJ@Z)
pacman.obj : error LNK2001: unresolved external symbol __RTC_Shutdown
pacman.obj : error LNK2001: unresolved external symbol __RTC_InitBase
pacman.obj : error LNK2019: unresolved external symbol __imp__DispatchMessageW@4 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__TranslateMessage@4 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__TranslateAcceleratorW@12 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__GetMessageW@16 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__PeekMessageW@20 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__GetMenu@4 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__ShowWindow@8 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__MoveWindow@24 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__GetSystemMetrics@4 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__CreateWindowExW@48 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__LoadAcceleratorsW@8 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__RegisterClassExW@4 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__LoadCursorW@8 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol __imp__LoadIconW@8 referenced in function _WinMain@16
pacman.obj : error LNK2019: unresolved external symbol @_RTC_CheckStackVars@8 referenced in function _WinMain@16
LINK : error LNK2001: unresolved external symbol _WinMainCRTStartup
C:\Dokumente und Einstellungen\3D-V\Desktop\Projekte\Pacman\Pacman\Debug\Pacman.exe : fatal error LNK1120: 22 unresolved externals
Build log was saved at "file://c:\Dokumente und Einstellungen\3D-V\Desktop\Projekte\Pacman\Pacman\Pacman\Debug\BuildLog.htm"
Pacman - 23 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

Hier kommt noch das Programm

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

//Variablen
HINSTANCE meineInstanz;
HWND meinFenster;
HMENU meinMenu;

LRESULT CALLBACK programm_windowhandler (HWND hWnd , UINT msg , WPARAM wParam , LPARAM lParam)
{
	switch(msg)
	{
	case WM_COMMAND :
		switch (LOWORD (wParam))
		{
		case IDM_EXIT:
			PostMessage (hWnd , WM_CLOSE , 0 , 0);
			return 0;
		}
		break;
	case WM_DESTROY:
		PostQuitMessage (0);
		return 0;
	}
	return DefWindowProc (hWnd , msg , wParam , lParam);
}

int APIENTRY WinMain (HINSTANCE hInst , HINSTANCE hPrevInst , LPSTR pCmdLine , int nCmdShow)
{
	MSG msg;
	HACCEL acc;
	WNDCLASSEX wcx;

	//Die Struktur wcx(WNDCLASSEX) wird mit Informationen gefüllt.
	wcx.cbSize = sizeof (wcx);
	wcx.lpszClassName = TEXT ("Pacman");
	wcx.lpfnWndProc = programm_windowhandler;
	wcx.style = CS_VREDRAW | CS_HREDRAW;
	wcx.hInstance = hInst;
	wcx.hIcon = LoadIcon (hInst , MAKEINTRESOURCE (IDI_MAIN));
	wcx.hIconSm = LoadIcon (hInst , MAKEINTRESOURCE (IDI_MAIN));
	wcx.hCursor = LoadCursor (NULL , IDC_ARROW);
	wcx.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
	wcx.lpszMenuName = MAKEINTRESOURCE (IDR_MENU);
	wcx.cbClsExtra = 0;
	wcx.cbWndExtra = 0;

	if (!RegisterClassEx ( &wcx))
		return 0;

	acc = LoadAccelerators (hInst , MAKEINTRESOURCE (IDR_ACCEL));

	meinFenster = CreateWindowEx (0 , TEXT ("Pacman") ,
					TEXT ("Pacman") ,
					WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX ,
					CW_USEDEFAULT , CW_USEDEFAULT ,
					400 , 600 ,
					NULL , NULL , hInst , NULL);

	if (!meinFenster)
		return 0;

	MoveWindow (meinFenster ,
		(GetSystemMetrics (SM_CXSCREEN) - 400 ) /2,
		(GetSystemMetrics (SM_CYSCREEN) - 600 ) /2,
		400 , 600 , TRUE);

	ShowWindow (meinFenster , nCmdShow);

	meineInstanz = hInst;
	meinMenu = GetMenu (meinFenster);

	//Main Eventloop
	while (TRUE)
	{
		if (PeekMessage (&msg , NULL , 0 , 0 , PM_NOREMOVE))
		{
			if (GetMessage (&msg , NULL , 0 , 0) == 0)
				return 0; // Message ist WM_QUIT
			if (TranslateAccelerator (meinFenster , acc , &msg) == 0)
			{
				TranslateMessage (&msg);
				DispatchMessage (&msg);
			}
		}
		else
		{
			//Spiel
		}
	}
}

Was mache ich falsch ?
Ich hoffe ihr könnt mit diesen Informationen etwas anfangen und freue mich auf jede Antwort.

Noch was : Beim kompillieren gibt es keine Fehler