| 1 | /* in.h 4.11 82/03/15 */ |
| 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_GGP 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 | |
| 17 | #define IPPROTO_RAW 255 /* raw IP packet */ |
| 18 | #define IPPROTO_MAX 256 |
| 19 | |
| 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 | * 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 | */ |
| 62 | #define IPPORT_RESERVED 1024 |
| 63 | |
| 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 | */ |
| 74 | struct in_addr { |
| 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; |
| 78 | u_long S_addr; |
| 79 | } S_un; |
| 80 | #define s_addr S_un.S_addr /* can be used for most tcp & ip code */ |
| 81 | #ifdef vax |
| 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 */ |
| 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 */ |
| 87 | #endif |
| 88 | }; |
| 89 | |
| 90 | #define INADDR_ANY 0x00000000 |
| 91 | |
| 92 | /* |
| 93 | * Socket address, internet style. |
| 94 | */ |
| 95 | struct sockaddr_in { |
| 96 | short sin_family; |
| 97 | u_short sin_port; |
| 98 | struct in_addr sin_addr; |
| 99 | char sin_zero[8]; |
| 100 | }; |