Result = InitPalette()
Init all the Palette environments for later use. You must put this function at
the top of your source code if you want to use the Palette commands. If Result
is equal to 0, it has failed and none of the palette commands can be used.
On Windows, if it fails, it's probably because DirectX 7 (or DirectX 3 with NT4.0 compatibility)
Windows, AmigaOS, Linux<- GetPaletteColor() - Palette Index - IsPalette() ->