* Used by \ref gras_datadesc_ref_pop_arr
*/
int gras_datadesc_cb_pop(gras_datadesc_type_t ignored, gras_cbps_t vars, void *data) {
* Used by \ref gras_datadesc_ref_pop_arr
*/
int gras_datadesc_cb_pop(gras_datadesc_type_t ignored, gras_cbps_t vars, void *data) {