WND_VSCROLLBAR_INDEX 2505 src/w32fns.c         SetWindowLong (hwnd, WND_VSCROLLBAR_INDEX, FRAME_SCROLL_BAR_AREA_WIDTH (f));
WND_VSCROLLBAR_INDEX 5638 src/w32fns.c         SetWindowLong (tip_window, WND_VSCROLLBAR_INDEX, 0);
WND_VSCROLLBAR_INDEX 7272 src/w32term.c    SetWindowLong (window, WND_VSCROLLBAR_INDEX, FRAME_SCROLL_BAR_AREA_WIDTH (f));