int cvRANSACUpdateNumIters(double p, double err_prob, int model_points, int max_iters) {
    void *fptr;
    int retval;

    fptr = dlsym(_Chcv_handle, "cvRANSACUpdateNumIters_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return -1;
    }
    dlrunfun(fptr, &retval, cvRANSACUpdateNumIters, p, err_prob, model_points, max_iters);
    return retval;
}
