CvSeq* cvHoughLines2(CvArr* image, void* line_storage, int method, double rho, double theta, int threshold, double param1, double param2) {
    void *fptr;
    CvSeq*retval;

    fptr = dlsym(_Chcv_handle, "cvHoughLines2_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return NULL;
    }
    dlrunfun(fptr, &retval, cvHoughLines2, image, line_storage, method, rho, theta, threshold, param1, param2);
    return retval;
}
