25 ok(atom != 0,
"Failed to register class!\n");
#define ok_hex(expression, result)
#define ERROR_INVALID_INDEX
LRESULT WINAPI DefWindowProcW(_In_ HWND, _In_ UINT, _In_ WPARAM, _In_ LPARAM)
WORD WINAPI SetWindowWord(_In_ HWND, _In_ int, _In_ WORD)
ATOM WINAPI RegisterClassExW(_In_ CONST WNDCLASSEXW *)
#define CreateWindowW(a, b, c, d, e, f, g, h, i, j, k)
WORD WINAPI GetWindowWord(_In_ HWND, _In_ int)
struct _WNDCLASSEXW WNDCLASSEXW