#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__Darwin__)
#include <netinet/in.h>
#endif
#include <sys/time.h>