_mClipErase()      Erase the currently defined mouse clipping region
 _mClipGet()        Retrieve the mouse clipping region
 _mClipSet()        Set the mouse clipping region
 _mCol()            Retrieve the column position of the mouse pointer
 _mHide()           Hide the mouse pointer
 _mPixPos()         Set X and Y pixel-based coordinates of the mouse pointer
 _mPixX()           Retrieve the pixel-based X coordinate of the mouse pointer
 _mPixY()           Retrieve the pixel-based Y coordinate of the mouse pointer
 _mRow()            Retrieve the row position of the mouse pointer
 _mShow()           Display a new mouse pointer at a particular location
 _mState()          Retrieve the current mouse state
 _gBmpDisp()        Display bitmap or icon previously loaded with _gBmpLoad()
 _gBmpLoad()        Load a bitmap (.bmp) or icon (.ico) file into memory
 _gClipGet()        Retrieve the screen clipping region
 _gClipSet()        Set the screen clipping region
 _gEllipse()        Draw an ellipse
 _gExclCountGet()   Retrieve the number of exclusion areas currently in effect
 _gExclErase()      Delete all exclusion areas previously defined
 _gExclGet()        Retrieve an exclusion area
 _gExclSet()        Set a specified screen region as an exclusion area
 _gFntClipGet()     Get the clipping region for the active font
 _gFntClipSet()     Set the clipping region for the active font
 _gFntErase()       Erase font previously loaded with _gFntLoad() from memory
 _gFntGet()         Retrieve the active font handle
 _gFntLoad()        Load a font file into memory
 _gFntSet()         Set a font previously loaded with _gFntLoad() as active
 _gFrame()          Draw a frame with a 3-D look
 _gLine()           Draw a line
 _gModeGet()        Retrieve parameters for the current video mode
 _gModeSet()        Switch the video mode
 _gPalGet()         Retrieve the current color palette
 _gPalSet()         Set the current color palette
 _gPixelGet()       Retrieve the color of a specified pixel
 _gPixelSet()       Draw a pixel
 _gPolygon()        Draw a polygon
 _gRect()           Draw a rectangle
 _gRGBColorGet()    Retrieve the color for a particular palette index
 _gRGBColorSet()    Set the color for a particular palette index
 _gScreenRest()     Restore screen region previously saved with _gScreenSave()
 _gScreenSave()     Save a screen region
 _gWriteAt()        Draw graphic text without background
 LLG_FNTCLIP        Structure for font clipping information
 LLG_MOUSESTATE     Structure for mouse state information
 LLG_PALETTE        Structure for palette information
 LLG_POINT          Structure for specifying coordinates of a point
 LLG_RECT           Structure for screen region information
 LLG_RGB            Structure for color information
 LLG_VIDEOMODE      Structure for video mode information