bug fixes from elz and utcsrgv!thomson
[unix-history] / usr / src / sys / netinet / in.h
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becdab37 1/* in.h 4.11 82/03/15 */
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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 */
1aa87517 12#define IPPROTO_GGP 2 /* gateway^2 (deprecated) */
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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 */
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18#define IPPROTO_MAX 256
19
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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
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45/*
46 * UNIX TCP sockets
47 */
48#define IPPORT_EXECSERVER 512
49#define IPPORT_LOGINSERVER 513
50#define IPPORT_CMDSERVER 514
51
52/*
53 * UNIX UDP sockets
54 */
55#define IPPORT_BIFFUDP 512
56#define IPPORT_WHOSERVER 513
57
58/*
59 * Ports < IPPORT_RESERVED are reserved for
60 * privileged processes (e.g. root).
61 */
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62#define IPPORT_RESERVED 1024
63
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64/*
65 * Link numbers
66 */
67#define IMPLINK_IP 155
68#define IMPLINK_LOWEXPER 156
69#define IMPLINK_HIGHEXPER 158
70
71/*
72 * Internet address (old style... should be updated)
73 */
2b4b57cd 74struct in_addr {
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75 union {
76 struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
77 struct { u_short s_w1,s_w2; } S_un_w;
1a88ef94 78 u_long S_addr;
8958351e 79 } S_un;
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80#define s_addr S_un.S_addr /* can be used for most tcp & ip code */
81#ifdef vax
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82#define s_host S_un.S_un_b.s_b2 /* host on imp */
83#define s_net S_un.S_un_b.s_b1 /* network */
84#define s_imp S_un.S_un_w.s_w2 /* imp */
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85#define s_impno S_un.S_un_b.s_b4 /* imp # */
86#define s_lh S_un.S_un_b.s_b3 /* logical host */
1a88ef94 87#endif
8958351e 88};
2b4b57cd 89
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90#define INADDR_ANY 0x00000000
91
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92/*
93 * Socket address, internet style.
94 */
95struct sockaddr_in {
96 short sin_family;
97 u_short sin_port;
98 struct in_addr sin_addr;
99 char sin_zero[8];
100};