PFNGLGETNAMEDSTRINGARBPROCDart typedef
        PFNGLGETNAMEDSTRINGARBPROCDart =
     void Function(int namelen, Pointer<Utf8>  name, int bufSize, Pointer<Int32>  stringlen, Pointer<Int8>  string)
    
    
    
Implementation
typedef PFNGLGETNAMEDSTRINGARBPROCDart =
    void Function(
      int namelen,
      Pointer<Utf8> name,
      int bufSize,
      Pointer<Int32> stringlen,
      Pointer<Int8> string,
    );