FRAME_VERTICAL_SCROLL_BAR_TYPE 5021 src/frame.c          FRAME_VERTICAL_SCROLL_BAR_TYPE (f)
FRAME_VERTICAL_SCROLL_BAR_TYPE 4354 src/term.c         FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
FRAME_VERTICAL_SCROLL_BAR_TYPE  874 src/window.h      ? FRAME_VERTICAL_SCROLL_BAR_TYPE (WINDOW_XFRAME (W))	\