- * Recent FreeBSD and DragonFly BSD <netinet/in.h> headers
- * define IP_PROTO_IGRP as 9 and IP_PROTO_IGRP as 88.
- * We define IP_PROTO_PIGP ("private interior gateway
- * protocol") as 9 and IP_PROTO_EIGRP as 88; those names
- * better match what the current protocol number
- * assignments say.
+ * Recent FreeBSD, DragonFly BSD, and macOS <netinet/in.h>
+ * headers define IPPROTO_PIGP as 9 and IPPROTO_IGRP
+ * as 88. We define IPPROTO_PIGP ("private interior
+ * gateway protocol") as 9 and IPPROTO_EIGRP as 88;
+ * those names better match what the current protocol
+ * number assignments say.