1 /* in.h 4.18 82/11/03 */ 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 #define IPPORT_EFSSERVER 520 52 53 /* 54 * UNIX UDP sockets 55 */ 56 #define IPPORT_BIFFUDP 512 57 #define IPPORT_WHOSERVER 513 58 #define IPPORT_ROUTESERVER 520 /* 520+1 also used */ 59 60 /* 61 * Ports < IPPORT_RESERVED are reserved for 62 * privileged processes (e.g. root). 63 */ 64 #define IPPORT_RESERVED 1024 65 66 /* 67 * Link numbers 68 */ 69 #define IMPLINK_IP 155 70 #define IMPLINK_LOWEXPER 156 71 #define IMPLINK_HIGHEXPER 158 72 73 /* 74 * Internet address (old style... should be updated) 75 */ 76 struct in_addr { 77 union { 78 struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b; 79 struct { u_short s_w1,s_w2; } S_un_w; 80 u_long S_addr; 81 } S_un; 82 #define s_addr S_un.S_addr /* can be used for most tcp & ip code */ 83 #ifdef vax 84 #define s_host S_un.S_un_b.s_b2 /* host on imp */ 85 #define s_net S_un.S_un_b.s_b1 /* network */ 86 #define s_imp S_un.S_un_w.s_w2 /* imp */ 87 #define s_impno S_un.S_un_b.s_b4 /* imp # */ 88 #define s_lh S_un.S_un_b.s_b3 /* logical host */ 89 #endif 90 }; 91 92 /* 93 * Definitions of bits in internet address integers. 94 */ 95 #define IN_CLASSA(i) ((((long)(i))&0x80000000)==0) 96 #define IN_CLASSA_NET 0xff000000 97 #define IN_CLASSA_NSHIFT 24 98 #define IN_CLASSA_HOST 0x00ffffff 99 100 #define IN_CLASSB(i) ((((long)(i))&0xc0000000)==0x80000000) 101 #define IN_CLASSB_NET 0xffff0000 102 #define IN_CLASSB_NSHIFT 16 103 #define IN_CLASSB_HOST 0x0000ffff 104 105 #define IN_CLASSC(i) ((((long)(i))&0xc0000000)==0xc0000000) 106 #define IN_CLASSC_NET 0xffffff00 107 #define IN_CLASSC_NSHIFT 8 108 #define IN_CLASSC_HOST 0x000000ff 109 110 #define INADDR_ANY 0x00000000 111 112 /* 113 * Socket address, internet style. 114 */ 115 struct sockaddr_in { 116 short sin_family; 117 u_short sin_port; 118 struct in_addr sin_addr; 119 char sin_zero[8]; 120 }; 121 122 #if !defined(vax) 123 /* 124 * Macros for number representation conversion. 125 */ 126 #define ntohl(x) (x) 127 #define ntohs(x) (x) 128 #define htonl(x) (x) 129 #define htons(x) (x) 130 #endif 131 132 #ifdef KERNEL 133 extern struct domain inetdomain; 134 extern struct protosw inetsw[]; 135 #endif 136