fru_get_root
if ((status = fru_get_root(&root)) == FRU_NODENOTFOUND) {
if ((status = fru_get_root(&frutree)) == FRU_NODENOTFOUND) {
fru_errno_t fru_get_root(fru_nodehdl_t *handle);
fru_err = fru_get_root(&hdl);