void cvSetIPLAllocators(Cv_iplCreateImageHeader create_header, Cv_iplAllocateImageData allocate_data, Cv_iplDeallocate deallocate, Cv_iplCreateROI create_roi, Cv_iplCloneImage clone_image) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "cvSetIPLAllocators_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, cvSetIPLAllocators, create_header, allocate_data, deallocate, create_roi, clone_image);
}