- * Darwin: always use ifaref whenever reference gets added.
- * always use ifafree whenever reference gets freed.
- * ifaref and ifafree are responsible for determining when to free.
+ * Darwin: always use IFA_ADDREF whenever reference gets added.
+ * always use IFA_REMREF whenever reference gets freed.
+ * IFA_ADDREF and IFA_REMREF are responsible for determining
+ * when to free.