| LOD | Graphics.UI.GLUT |
| Layer | Graphics.UI.GLUT.Overlay, Graphics.UI.GLUT |
| LeftArrow | Graphics.UI.GLUT.Window, Graphics.UI.GLUT |
| LeftBuffers | Graphics.UI.GLUT |
| LeftButton | Graphics.UI.GLUT.Callbacks.Window, Graphics.UI.GLUT.Callbacks, Graphics.UI.GLUT |
| LeftRight | Graphics.UI.GLUT.Window, Graphics.UI.GLUT |
| LeftSide | Graphics.UI.GLUT.Window, Graphics.UI.GLUT |
| Lequal | Graphics.UI.GLUT |
| LequalR | Graphics.UI.GLUT |
| Less | Graphics.UI.GLUT |
| Level | Graphics.UI.GLUT |
| Light |
| 1 (Type/Class) | Graphics.UI.GLUT |
| 2 (Data Constructor) | Graphics.UI.GLUT |
| LightModelColorControl | Graphics.UI.GLUT |
| LightingAttributes | Graphics.UI.GLUT |
| Line | Graphics.UI.GLUT |
| LineAttributes | Graphics.UI.GLUT |
| LineLoop | Graphics.UI.GLUT |
| LineResetToken | Graphics.UI.GLUT |
| LineSmooth | Graphics.UI.GLUT |
| LineStrip | Graphics.UI.GLUT |
| LineStyle | Graphics.UI.GLUT |
| LineToken | Graphics.UI.GLUT |
| Linear | Graphics.UI.GLUT |
| Linear' | Graphics.UI.GLUT |
| Lines | Graphics.UI.GLUT |
| ListAttributes | Graphics.UI.GLUT |
| ListMode | Graphics.UI.GLUT |
| Load | Graphics.UI.GLUT |
| LogicOp |
| 1 (Type/Class) | Graphics.UI.GLUT |
| 2 (Data Constructor) | Graphics.UI.GLUT |
| Loops | Graphics.UI.GLUT |
| Luminance | Graphics.UI.GLUT |
| Luminance' | Graphics.UI.GLUT |
| Luminance12 | Graphics.UI.GLUT |
| Luminance12Alpha12 | Graphics.UI.GLUT |
| Luminance12Alpha4 | Graphics.UI.GLUT |
| Luminance16 | Graphics.UI.GLUT |
| Luminance16Alpha16 | Graphics.UI.GLUT |
| Luminance4 | Graphics.UI.GLUT |
| Luminance4Alpha4 | Graphics.UI.GLUT |
| Luminance6Alpha2 | Graphics.UI.GLUT |
| Luminance8 | Graphics.UI.GLUT |
| Luminance8Alpha8 | Graphics.UI.GLUT |
| LuminanceAlpha | Graphics.UI.GLUT |
| LuminanceAlpha' | Graphics.UI.GLUT |
| LuminanceMode | Graphics.UI.GLUT.Initialization, Graphics.UI.GLUT |
| layerInUse | Graphics.UI.GLUT.Overlay, Graphics.UI.GLUT |
| leaveGameMode | Graphics.UI.GLUT.GameMode, Graphics.UI.GLUT |
| leaveMainLoop | Graphics.UI.GLUT.Begin, Graphics.UI.GLUT |
| light | Graphics.UI.GLUT |
| lightModelAmbient | Graphics.UI.GLUT |
| lightModelColorControl | Graphics.UI.GLUT |
| lightModelLocalViewer | Graphics.UI.GLUT |
| lightModelTwoSide | Graphics.UI.GLUT |
| lighting | Graphics.UI.GLUT |
| lineSmooth | Graphics.UI.GLUT |
| lineStipple | Graphics.UI.GLUT |
| lineWidth | Graphics.UI.GLUT |
| linkProgram | Graphics.UI.GLUT |
| linkStatus | Graphics.UI.GLUT |
| listBase | Graphics.UI.GLUT |
| listIndex | Graphics.UI.GLUT |
| listMode | Graphics.UI.GLUT |
| loadIdentity | Graphics.UI.GLUT |
| loadName | Graphics.UI.GLUT |
| loadSamplingMatrices | Graphics.UI.GLUT |
| lockArrays | Graphics.UI.GLUT |
| logicOp | Graphics.UI.GLUT |
| lookAt | Graphics.UI.GLUT |
| lsbFirst | Graphics.UI.GLUT |
