#ifdef __NT__
#define GET_HINST( hwnd )               (HINSTANCE)GetWindowLong( hwnd, GWL_HINSTANCE );
#define GET_WM_COMMAND_CMD(wp, lp)      HIWORD(wp)
#define GET_WM_COMMAND_HWND(wp, lp)     (HWND)(lp)
#define GET_WM_COMMAND_MPS(id, hwnd, cmd) (UINT)MAKELONG(id, cmd), (LONG)(hwnd)
#define GET_WM_VSCROLL_POS( wp, lp )    HIWORD(wp)
#define GET_WM_VSCROLL_HWND( wp, lp )   (HWND)(lp)
#define GET_WM_VSCROLL_CODE( wp, lp )   LOWORD(wp)
#define GET_WM_HSCROLL_POS( wp, lp )    HIWORD(wp)
#define GET_WM_HSCROLL_HWND( wp, lp )   (HWND)(lp)
#define GET_WM_HSCROLL_CODE( wp, lp )   LOWORD(wp)
#define GET_CURSOR( hwnd )              GetWindowLong( hwnd, GCL_HCURSOR )
#define MAKE_POINT( pt, lp )            pt.x = (long)(short)LOWORD( lp ); \
                                        pt.y = (long)(short)HIWORD( lp )
#define MK_FP32(x)                      (x)
#define MK_LOCAL32(a)                   ((void far *) a)
#define PASS_WORD_AS_POINTER(i)         ((LPSTR)(WORD)(i))
#define AllocAlias16(a)                 ((DWORD)(LPSTR)(a))
#define FreeAlias16(a)
#else
#define GET_HINST( hwnd )               (HINSTANCE)GetWindowWord( hwnd, GWW_HINSTANCE );
#define GET_WM_COMMAND_CMD(wp, lp)      HIWORD(lp)
#define GET_WM_COMMAND_HWND(wp, lp)     (HWND)LOWORD(lp)
#define GET_WM_COMMAND_MPS(id, hwnd, cmd) (UINT)(id), MAKELONG(hwnd, cmd)
#define GET_WM_VSCROLL_POS( wp, lp )    LOWORD(lp)
#define GET_WM_VSCROLL_HWND( wp, lp )   HIWORD(lp)
#define GET_WM_VSCROLL_CODE( wp, lp )   (wp)
#define GET_WM_HSCROLL_POS( wp, lp )    LOWORD(lp)
#define GET_WM_HSCROLL_HWND( wp, lp )   HIWORD(lp)
#define GET_WM_HSCROLL_CODE( wp, lp )   (wp)
#define GET_CURSOR( hwnd )              GetWindowWord( hwnd, GCW_HCURSOR )
#define MAKE_POINT( pt, lp )            pt = MAKEPOINT( lp )
#endif