Moved include/in.h to include/gpxe/in.h, so that it can be included by

prototester.

src/include/gpxe/in.h

@@ -0,0 +1,33 @@
+#ifndef	_IN_H
+#define	_IN_H
+
+#include "stdint.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
+
+struct in_addr {
+	uint32_t	s_addr;
+};
+
+typedef struct in_addr in_addr;
+
+typedef uint16_t in_port_t;
+
+struct sockaddr_in {
+	struct in_addr	sin_addr;
+	in_port_t	sin_port;
+};
+
+extern int inet_aton ( const char *cp, struct in_addr *inp );
+
+#endif	/* _IN_H */