ATOMIC_PTR_EXCHANGE 8022 gc.c           	void *ptr = ATOMIC_PTR_EXCHANGE(RNODE(s)->u1.node, 0);
ATOMIC_PTR_EXCHANGE  476 random.c           HCRYPTPROV prov = (HCRYPTPROV)ATOMIC_PTR_EXCHANGE(*(HCRYPTPROV *)p, INVALID_HANDLE_VALUE);
ATOMIC_PTR_EXCHANGE  160 ruby_atomic.h  # ifndef ATOMIC_PTR_EXCHANGE
ATOMIC_PTR_EXCHANGE  175 ruby_atomic.h  #ifndef ATOMIC_PTR_EXCHANGE
ATOMIC_PTR_EXCHANGE  915 signal.c           const char *prev = ATOMIC_PTR_EXCHANGE(received_signal, name);