Remove the remaining casts of NULL.

dlls/atl/atl_ax.c

@@ -752,7 +752,7 @@ static HRESULT IOCS_Detach( IOCS *This ) /* remove subclassing */
     if ( This->hWnd )
     {
         SetWindowLongPtrW( This->hWnd, GWLP_WNDPROC, (ULONG_PTR) This->OrigWndProc );
-        SetWindowLongPtrW( This->hWnd, GWLP_USERDATA, (LONG_PTR) NULL );
+        SetWindowLongPtrW( This->hWnd, GWLP_USERDATA, 0 );
         This->hWnd = NULL;
     }
     if ( This->control )

dlls/d3d8/device.c

@@ -1952,7 +1952,7 @@ static HRESULT WINAPI IDirect3DDevice8Impl_GetPixelShader(LPDIRECT3DDEVICE8 ifac
         IWineD3DPixelShader_Release(object);
         *ppShader = d3d8_shader->handle;
     } else {
-        *ppShader = (DWORD)NULL;
+        *ppShader = 0;
     }
 
     TRACE("(%p) : returning %#x\n", This, *ppShader);

dlls/d3d9/tests/visual.c

@@ -9603,7 +9603,7 @@ static void texop_range_test(IDirect3DDevice9 *device)
     ok(SUCCEEDED(hr), "SetTextureStageState failed with 0x%08x\n", hr);
     hr = IDirect3DDevice9_SetTextureStageState(device, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);
     ok(SUCCEEDED(hr), "SetTextureStageState failed with 0x%08x\n", hr);
-    hr = IDirect3DDevice9_SetTexture(device, 1, (IDirect3DBaseTexture9 *)NULL);
+    hr = IDirect3DDevice9_SetTexture(device, 1, NULL);
     ok(SUCCEEDED(hr), "SetTexture failed with 0x%08x\n", hr);
     IDirect3DTexture9_Release(texture);
 }

dlls/dmcompos/composer.c

@@ -117,7 +117,7 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicComposerImpl (LPCGUID lpcGUID, LPVOID* pp
 	
 	obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicComposerImpl));
 	if (NULL == obj) {
-		*ppobj = (LPDIRECTMUSICCOMPOSER) NULL;
+		*ppobj = NULL;
 		return E_OUTOFMEMORY;
 	}
 	obj->lpVtbl = &DirectMusicComposer_Vtbl;

dlls/dmime/performance.c

@@ -1020,7 +1020,7 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicPerformanceImpl (LPCGUID lpcGUID, LPVOID
 
 	obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicPerformance8Impl));
 	if (NULL == obj) 	{
-		*ppobj = (LPDIRECTMUSICPERFORMANCE8)NULL;
+		*ppobj = NULL;
 		return E_OUTOFMEMORY;
 	}
 	obj->lpVtbl = &DirectMusicPerformance8_Vtbl;

dlls/mpr/wnet.c

@@ -2147,7 +2147,7 @@ DWORD WINAPI WNetGetNetworkInformationW( LPCWSTR lpProvider,
                  providerTable->table[providerIndex].dwSpecVersion;
                 lpNetInfoStruct->dwStatus = NO_ERROR;
                 lpNetInfoStruct->dwCharacteristics = 0;
-                lpNetInfoStruct->dwHandle = (ULONG_PTR)NULL;
+                lpNetInfoStruct->dwHandle = 0;
                 lpNetInfoStruct->wNetType =
                  HIWORD(providerTable->table[providerIndex].dwNetType);
                 lpNetInfoStruct->dwPrinters = -1;

dlls/msi/tests/automation.c

@@ -1849,7 +1849,7 @@ static void test_Installer_RegistryValue(void)
         "RegSetValueExW failed\n");
     ok(!RegSetValueExW(hkey,szSix,0,REG_QWORD, (const BYTE *)qw, 8),
         "RegSetValueExW failed\n");
-    ok(!RegSetValueExW(hkey,szSeven,0,REG_NONE, (const BYTE *)NULL, 0),
+    ok(!RegSetValueExW(hkey,szSeven,0,REG_NONE, NULL, 0),
         "RegSetValueExW failed\n");
 
     ok(!RegSetValueExW(hkey,NULL,0,REG_SZ, (const BYTE *)szOne, sizeof(szOne)),

dlls/msvcrt/tests/time.c

@@ -40,7 +40,7 @@ static void test_ctime(void)
 }
 static void test_gmtime(void)
 {
-    time_t gmt = (time_t)NULL;
+    time_t gmt = 0;
     struct tm* gmt_tm = gmtime(&gmt);
     if(gmt_tm == 0)
 	{

dlls/rsaenh/rsaenh.c

@@ -1677,7 +1677,7 @@ BOOL WINAPI RSAENH_CPCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,
     pCryptHash->hKey = hKey;
     pCryptHash->hProv = hProv;
     pCryptHash->dwState = RSAENH_HASHSTATE_HASHING;
-    pCryptHash->pHMACInfo = (PHMAC_INFO)NULL;
+    pCryptHash->pHMACInfo = NULL;
     pCryptHash->dwHashSize = peaAlgidInfo->dwDefaultLen >> 3;
     init_data_blob(&pCryptHash->tpPRFParams.blobLabel);
     init_data_blob(&pCryptHash->tpPRFParams.blobSeed);

dlls/w32skrnl/win32s16.c

@@ -45,7 +45,7 @@ void WINAPI BootTask16(void)
 SEGPTR WINAPI StackLinearToSegmented16(WORD w1, WORD w2)
 {
 	FIXME("(%d,%d):stub.\n",w1,w2);
-	return (SEGPTR)NULL;
+	return 0;
 }
 
 

dlls/winmm/mmsystem.c

@@ -2834,7 +2834,7 @@ HMMIO16 WINAPI mmioOpen16(LPSTR szFileName, MMIOINFO16* lpmmioinfo16,
  */
 MMRESULT16 WINAPI mmioClose16(HMMIO16 hmmio, UINT16 uFlags)
 {
-    MMIO_SetSegmentedBuffer(HMMIO_32(hmmio), (SEGPTR)NULL, TRUE);
+    MMIO_SetSegmentedBuffer(HMMIO_32(hmmio), 0, TRUE);
     return mmioClose(HMMIO_32(hmmio), uFlags);
 }
 

dlls/ws2_32/socket.c

@@ -4390,7 +4390,7 @@ SOCKET WINAPI WSAAccept( SOCKET s, struct WS_sockaddr *addr, LPINT addrlen,
        CallerId.len = sizeof(src_addr);
 
        CallerData.buf = NULL;
-       CallerData.len = (ULONG)NULL;
+       CallerData.len = 0;
 
        WS_getsockname(cs, &dst_addr, &size);
 

programs/regedit/treeview.c

@@ -532,7 +532,7 @@ static BOOL InitTreeViewItems(HWND hwndTV, LPWSTR pHostName)
     tvins.u.item.iSelectedImage = Image_Root;
     tvins.u.item.cChildren = 5;
     /* Save the heading level in the item's application-defined data area.  */
-    tvins.u.item.lParam = (LPARAM)NULL;
+    tvins.u.item.lParam = 0;
     tvins.hInsertAfter = (HTREEITEM)TVI_FIRST;
     tvins.hParent = TVI_ROOT;
     /* Add the item to the tree view control.  */

programs/taskmgr/taskmgr.c

@@ -1076,7 +1076,7 @@ int APIENTRY WinMain(HINSTANCE hInstance,
         tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 
 
         /* Get the debug privilege for this process. */
-        AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0); 
+        AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, NULL, 0);
     }
 
     /* Load our settings from the registry */