CFGFUN(bar_wheel_up_cmd, const char *command);
CFGFUN(bar_wheel_down_cmd, const char *command);
CFGFUN(bar_bindsym, const char *button, const char *release, const char *command);
CFGFUN(bar_wheel_up_cmd, const char *command);
CFGFUN(bar_wheel_down_cmd, const char *command);
CFGFUN(bar_bindsym, const char *button, const char *release, const char *command);