| readFromDevice | Graphics.Vty.Input.Loop | 
| red | Graphics.Vty.Attributes, Graphics.Vty.Image, Graphics.Vty.Picture, Graphics.Vty | 
| refresh | Graphics.Vty | 
| region | Graphics.Vty.PictureToSpans | 
| regionForWindow | Graphics.Vty.Debug | 
| regionHeight | Graphics.Vty.Prelude | 
| regionWidth | Graphics.Vty.Prelude | 
| releaseDisplay | Graphics.Vty.Output.Interface, Graphics.Vty.Output, Graphics.Vty | 
| releaseTerminal | Graphics.Vty.Output.Interface, Graphics.Vty.Output, Graphics.Vty | 
| remainingColumns | Graphics.Vty.PictureToSpans | 
| remainingRows | Graphics.Vty.PictureToSpans | 
| RemoveBlink | Graphics.Vty.DisplayAttributes | 
| RemoveBold | Graphics.Vty.DisplayAttributes | 
| RemoveDim | Graphics.Vty.DisplayAttributes | 
| RemoveReverseVideo | Graphics.Vty.DisplayAttributes | 
| RemoveStandout | Graphics.Vty.DisplayAttributes | 
| removeStyle | Graphics.Vty.Inline | 
| RemoveUnderline | Graphics.Vty.DisplayAttributes | 
| replicateM | Graphics.Vty.Prelude | 
| replicateM_ | Graphics.Vty.Prelude | 
| reserveDisplay | Graphics.Vty.Output.Interface, Graphics.Vty.Output, Graphics.Vty | 
| reserveTerminal |   | 
| 1 (Function) | Graphics.Vty.Output.TerminfoBased | 
| 2 (Function) | Graphics.Vty.Output.MacOSX | 
| 3 (Function) | Graphics.Vty.Output.XTermColor | 
| resize | Graphics.Vty.Image, Graphics.Vty.Picture, Graphics.Vty | 
| resizeHeight | Graphics.Vty.Image, Graphics.Vty.Picture, Graphics.Vty | 
| resizeWidth | Graphics.Vty.Image, Graphics.Vty.Picture, Graphics.Vty | 
| return | Graphics.Vty.Prelude | 
| reverseTransform | Graphics.Vty.Debug | 
| reverseVideo | Graphics.Vty.Attributes, Graphics.Vty.Image, Graphics.Vty.Picture, Graphics.Vty | 
| rgbColor | Graphics.Vty.Attributes, Graphics.Vty.Image, Graphics.Vty.Picture, Graphics.Vty | 
| RowEnd | Graphics.Vty.Span | 
| rowOffset | Graphics.Vty.PictureToSpans | 
| rowOpsEffectedColumns | Graphics.Vty.Debug | 
| runInputProcessorLoop | Graphics.Vty.Input.Loop | 
| runParseConfig | Graphics.Vty.Config, Graphics.Vty |