- gluTessCallback(tess, GLU_TESS_BEGIN, glBegin);
- gluTessCallback(tess, GLU_TESS_VERTEX, glVertex3dv);
- gluTessCallback(tess, GLU_TESS_END, glEnd);
+ gluTessCallback(tess, GLU_TESS_BEGIN, (void*)glBegin);
+ gluTessCallback(tess, GLU_TESS_VERTEX, (void*)glVertex3dv);
+ gluTessCallback(tess, GLU_TESS_END, (void*)glEnd);