check_acc_capability
if (check_acc_capability(B_##x) == B_OK) return (void *)x; else return (void *)0
status_t check_acc_capability(uint32 feature);
if (check_acc_capability(B_##x) == B_OK) return (void *)x; else return (void *)0
status_t check_acc_capability(uint32 feature);
if (check_acc_capability(B_##x) == B_OK) \
status_t check_acc_capability(uint32 feature);
if (check_acc_capability(B_##x) == B_OK) return (void *)x; else return (void *)0
status_t check_acc_capability(uint32 feature);
if (check_acc_capability(B_##x) == B_OK) return (void *)x; else return (void *)0
status_t check_acc_capability(uint32 feature);