* Advanced data describing: callback persistent states *
********************************************************/
-void *
+gras_error_t
gras_dd_cbps_pop (gras_dd_cbps_t *ps,
const char *name,
- gras_datadesc_type_t **ddt);
-void
+ gras_datadesc_type_t **ddt,
+ void **res);
+gras_error_t
gras_dd_cbps_push(gras_dd_cbps_t *ps,
const char *name,
void *data,