BT_STACK_FULL
assert(!BT_STACK_FULL(BTSTACK));\
if (BT_STACK_FULL(btstack)) {
if (BT_STACK_FULL(btstack)) {
if (BT_STACK_FULL(&btstack)) {
if (BT_STACK_FULL(&btstack)) {
if (BT_STACK_FULL(btstack)) {