Commit | Line | Data |
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13ab51b7 | 1 | /* in.h 4.7 82/01/24 */ |
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 |
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; | |
59 | u_long s_l; | |
60 | } S_un; | |
61 | #define s_addr S_un.s_l /* can be used for most tcp & ip code */ | |
62 | #define s_host S_un.S_un_b.s_b2 /* host on imp */ | |
63 | #define s_net S_un.S_un_b.s_b1 /* network */ | |
64 | #define s_imp S_un.S_un_w.s_w2 /* imp */ | |
65 | #define s_lhost S_un.S_un_b.s_b1 /* net library format host on imp */ | |
66 | #define s_lnet S_un.S_un_b.s_b2 /* net library format network */ | |
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 | }; |