void init_scrollbar_stuff ();
void drawBevel (Drawable d, int x1, int y1, int w, int h);
int scrollbar_show_next (int update, int last_top, int last_bot, int scrollbar_len);
-# define scrollbar_update scrollbar_show_next // HACK
#endif
#if defined(RXVT_SCROLLBAR)
// scrollbar-rxvt.C
void Draw_button (int x, int y, int state, int dirn);
int scrollbar_show_rxvt (int update, int last_top, int last_bot, int scrollbar_len);
-# define scrollbar_update scrollbar_show_rxvt // HACK
#endif
#if defined(XTERM_SCROLLBAR)
// scrollbar-xterm.C
int scrollbar_show_xterm (int update, int last_top, int last_bot, int scrollbar_len);
-# define scrollbar_update scrollbar_show_xterm // HACK
#endif
// scrollbar.C