-#include <machine/endian.h>
-#include <machine/byte_order.h>
-#define bswap_16(x) NXSwapShort(x)
-#define bswap_32(x) NXSwapInt(x)
-#define bswap_64(x) NXSwapLongLong(x)
+#include <netinet/in.h>
+#include <libkern/OSByteOrder.h>
+#define bswap_16(x) OSSwapInt16(x)
+#define bswap_32(x) OSSwapInt32(x)
+#define bswap_64(x) OSSwapInt64(x)