#ifdef __APPLE_CC__    

    typedef GLvoid (*GLUTesselatorFunction)();

#elif defined( __mips ) || defined( __linux__ ) || defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __sun ) || defined (__CYGWIN__)

    typedef GLvoid (*GLUTesselatorFunction)();

#elif defined ( WIN32)

    typedef GLvoid (CALLBACK *GLUTesselatorFunction)( );

#else

    #error "Error - need to define type GLUTesselatorFunction for this platform/compiler"

#endif