[unix-history] / usr / src / sys / netinet / in.h

/* in.h 4.8 82/02/03 */

/*
 * Constants and structures defined by the internet system,
 * Per RFC 790, September 1981.
 */

/*
 * Protocols
 */
#define	IPPROTO_ICMP		1		/* control message protocol */
#define	IPPROTO_GG		2		/* gateway^2 (deprecated) */
#define	IPPROTO_TCP		6		/* tcp */
#define	IPPROTO_PUP		12		/* pup */
#define	IPPROTO_UDP		17		/* user datagram protocol */

#define	IPPROTO_RAW		255		/* raw IP packet */
#define	IPPROTO_MAX		256

/*
 * Port/socket numbers: network standard functions
 */
#define	IPPORT_ECHO		7
#define	IPPORT_DISCARD		9
#define	IPPORT_SYSTAT		11
#define	IPPORT_DAYTIME		13
#define	IPPORT_NETSTAT		15
#define	IPPORT_FTP		21
#define	IPPORT_TELNET		23
#define	IPPORT_SMTP		25
#define	IPPORT_TIMESERVER	37
#define	IPPORT_NAMESERVER	42
#define	IPPORT_WHOIS		43
#define	IPPORT_MTP		57

/*
 * Port/socket numbers: host specific functions
 */
#define	IPPORT_TFTP		69
#define	IPPORT_RJE		77
#define	IPPORT_FINGER		79
#define	IPPORT_TTYLINK		87
#define	IPPORT_SUPDUP		95

/*
 * Link numbers
 */
#define	IMPLINK_IP		155
#define	IMPLINK_LOWEXPER	156
#define	IMPLINK_HIGHEXPER	158

/*
 * Internet address (old style... should be updated)
 */
struct in_addr {
	union {
		struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
		struct { u_short s_w1,s_w2; } S_un_w;
		u_long S_addr;
	} S_un;
#define	s_addr	S_un.S_addr	/* can be used for most tcp & ip code */
#ifdef vax
#define	s_host	S_un.S_un_b.s_b2	/* host on imp */
#define	s_net	S_un.S_un_b.s_b1	/* network */
#define	s_imp	S_un.S_un_w.s_w2	/* imp */
#endif
};

/*
 * Socket address, internet style.
 */
struct sockaddr_in {
	short	sin_family;
	u_short	sin_port;
	struct	in_addr sin_addr;
	char	sin_zero[8];
};
Commit	Line	Data
1a88ef94	1	/* in.h 4.8 82/02/03 */
8958351e BJ	2
	3	/*
	4	* Constants and structures defined by the internet system,
	5	* Per RFC 790, September 1981.
	6	*/
	7
	8	/*
	9	* Protocols
	10	*/
	11	#define IPPROTO_ICMP 1 /* control message protocol */
	12	#define IPPROTO_GG 2 /* gateway^2 (deprecated) */
	13	#define IPPROTO_TCP 6 /* tcp */
	14	#define IPPROTO_PUP 12 /* pup */
	15	#define IPPROTO_UDP 17 /* user datagram protocol */
	16
13ab51b7	17	#define IPPROTO_RAW 255 /* raw IP packet */
eb44bfb2 BJ	18	#define IPPROTO_MAX 256
eb44bfb2 BJ	19
8958351e BJ	20	/*
	21	* Port/socket numbers: network standard functions
	22	*/
	23	#define IPPORT_ECHO 7
	24	#define IPPORT_DISCARD 9
	25	#define IPPORT_SYSTAT 11
	26	#define IPPORT_DAYTIME 13
	27	#define IPPORT_NETSTAT 15
	28	#define IPPORT_FTP 21
	29	#define IPPORT_TELNET 23
	30	#define IPPORT_SMTP 25
	31	#define IPPORT_TIMESERVER 37
	32	#define IPPORT_NAMESERVER 42
	33	#define IPPORT_WHOIS 43
	34	#define IPPORT_MTP 57
	35
	36	/*
	37	* Port/socket numbers: host specific functions
	38	*/
	39	#define IPPORT_TFTP 69
	40	#define IPPORT_RJE 77
	41	#define IPPORT_FINGER 79
	42	#define IPPORT_TTYLINK 87
	43	#define IPPORT_SUPDUP 95
	44
	45	/*
	46	* Link numbers
	47	*/
	48	#define IMPLINK_IP 155
	49	#define IMPLINK_LOWEXPER 156
	50	#define IMPLINK_HIGHEXPER 158
	51
	52	/*
	53	* Internet address (old style... should be updated)
	54	*/
2b4b57cd	55	struct in_addr {
8958351e BJ	56	union {
	57	struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
	58	struct { u_short s_w1,s_w2; } S_un_w;
1a88ef94	59	u_long S_addr;
8958351e	60	} S_un;
1a88ef94 SL	61	#define s_addr S_un.S_addr /* can be used for most tcp & ip code */
1a88ef94 SL	62	#ifdef vax
8958351e BJ	63	#define s_host S_un.S_un_b.s_b2 /* host on imp */
	64	#define s_net S_un.S_un_b.s_b1 /* network */
	65	#define s_imp S_un.S_un_w.s_w2 /* imp */
1a88ef94	66	#endif
8958351e	67	};
2b4b57cd BJ	68
	69	/*
	70	* Socket address, internet style.
	71	*/
	72	struct sockaddr_in {
	73	short sin_family;
	74	u_short sin_port;
	75	struct in_addr sin_addr;
	76	char sin_zero[8];
	77	};