static int width_winbutton(Bar *bar, BarArg *a);
static int draw_winbutton(Bar *bar, BarArg *a);
static int click_winbutton(Bar *bar, Arg *arg, BarArg *a);
static int width_winbutton2(Bar *bar, BarArg *a);
static int draw_winbutton2(Bar *bar, BarArg *a);
static int click_winbutton2(Bar *bar, Arg *arg, BarArg *a);
static int width_winbutton3(Bar *bar, BarArg *a);
static int draw_winbutton3(Bar *bar, BarArg *a);
static int click_winbutton3(Bar *bar, Arg *arg, BarArg *a);