void cvWriteFileNode(CvFileStorage* fs, char* new_node_name, CvFileNode* node, int embed) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "cvWriteFileNode_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, cvWriteFileNode, fs, new_node_name, node, embed);
}
