+ { 0 , XF86XK_MonBrightnessUp, spawn, {.v = brightup } },
+ { 0 , XF86XK_MonBrightnessDown, spawn, {.v = brightdown } },
+ { 0 , XF86XK_AudioLowerVolume, spawn, {.v = volume_dec } },
+ { 0 , XF86XK_AudioMute, spawn, {.v = volume_mute } },
+ { 0 , XF86XK_AudioRaiseVolume, spawn, {.v = volume_inc } },