- 
        iconify-window, Function
      
- 
        icon-sizes, Function
      
- 
        id, Slot of
        visual-info 
      
- 
        id-choice-error,
        Condition 
      
- 
        image-blue-mask,
        Function 
      
- 
        image-depth,
        Function 
      
- 
        image-depth,
        Type 
      
- 
        image-green-mask,
        Function 
      
- 
        image-height,
        Function 
      
- 
        image-name,
        Function 
      
- 
        image-plist,
        Function 
      
- 
        image-red-mask,
        Function 
      
- 
        image-width,
        Function 
      
- 
        image-x-hot,
        Function 
      
- 
        image-xy-bitmap-list,
        Function 
      
- 
        image-y-hot,
        Function 
      
- 
        image-z-bits-per-pixel,
        Function 
      
- 
        image-z-pixarray,
        Function 
      
- 
        implementation-error,
        Condition 
      
- 
        index-size,
        Type 
      
- 
        input-focus,
        Function 
      
- 
        install-colormap,
        Function 
      
- 
        installed-colormaps,
        Function 
      
- 
        int16, Type 
      
- 
        int32, Type 
      
- 
        int8, Type 
      
- 
        intern-atom,
        Function