upgrade_cbdata_t
upgrade_cbdata_t *cb = data;
upgrade_cbdata_t *cb = data;
upgrade_cbdata_t cb = { 0 };
upgrade_cbdata_t *cbp = arg;
upgrade_cbdata_t *cbp = arg;
upgrade_cbdata_t *cbp = arg;
upgrade_cbdata_t *cbp = data;
upgrade_cbdata_t cb = { 0 };