[DllImport("gdi32.dll", EntryPoint ="gluErrorString")]

public static extern byte[] gluErrorString ( uint errCode );

Declare Function gluErrorString Lib "gdi32.dll" (TODO) As TODO

    public static unsafe extern sbyte* gluErrorString(uint errCode);

[DllImport("glu32.dll", EntryPoint ="gluErrorString")]

public static extern byte[] gluErrorString ( uint errCode );

Declare Function gluErrorString Lib "glu32.dll" (TODO) As TODO