Initial revision

src/include/in.h

@@ -0,0 +1,21 @@
+#ifndef	_IN_H
+#define	_IN_H
+
+#include <if_ether.h>
+#define IP		ETH_P_IP
+#define ARP		ETH_P_ARP
+#define	RARP		ETH_P_RARP
+
+#define IP_ICMP		1
+#define IP_IGMP		2
+#define IP_TCP		6
+#define IP_UDP		17
+
+/* Same after going through htonl */
+#define IP_BROADCAST	0xFFFFFFFF
+
+typedef struct {
+	uint32_t	s_addr;
+} in_addr;
+
+#endif	/* _IN_H */