CvSubdiv2DPoint* cvSubdivDelaunay2DInsert(CvSubdiv2D* subdiv, CvPoint2D32f pt) {
    void *fptr;
    CvSubdiv2DPoint*retval;

    fptr = dlsym(_Chcv_handle, "cvSubdivDelaunay2DInsert_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return NULL;
    }
    dlrunfun(fptr, &retval, cvSubdivDelaunay2DInsert, subdiv, pt);
    return retval;
}
