/*server/ip/gen/in.h*/#ifndef __SERVER__IP__GEN__IN_H__#define __SERVER__IP__GEN__IN_H__#define IP_MIN_HDR_SIZE		20#define IP_MAX_HDR_SIZE		60		/* 15 * 4 */#define IP_VERSION		4#define IP_MAX_TTL		255#define IP_MAX_PACKSIZE		40000		/* 8192 */	/* Note: this restriction is not part of the IP-protocol but	   introduced by this implementation. */#define IPPROTO_ICMP		1#define IPPROTO_TCP		6#define IPPROTO_UDP		17typedef u32_t ipaddr_t;typedef u8_t ipproto_t;typedef struct ip_hdropt{	u8_t iho_opt_siz;	u8_t iho_data[IP_MAX_HDR_SIZE-IP_MIN_HDR_SIZE];} ip_hdropt_t;#endif /* __SERVER__IP__GEN__IN_H__ */