void icvGetCrossRectDirect(CvSize imageSize, double a, double b, double c, CvPoint2D64f *start, CvPoint2D64f *end, int* result) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "icvGetCrossRectDirect_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, icvGetCrossRectDirect, imageSize, a, b, c, start, end, result);
}
