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- /* @(#)in.h 1.1 86/09/27 SMI; from UCB 4.20 83/01/17 */
-
-
- /*
- * Constants and structures defined by the internet system,
- * Per RFC 790, September 1981.
- */
-
- /*
- * Protocols
- */
- #define IPPROTO_ICMP 1 /* control message protocol */
- #define IPPROTO_GGP 2 /* gateway^2 (deprecated) */
- #define IPPROTO_TCP 6 /* tcp */
- #define IPPROTO_PUP 12 /* pup */
- #define IPPROTO_UDP 17 /* user datagram protocol */
- #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */
- #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
-
- /*
- * UNIX TCP sockets
- */
- #define IPPORT_EXECSERVER 512
- #define IPPORT_LOGINSERVER 513
- #define IPPORT_CMDSERVER 514
- #define IPPORT_EFSSERVER 520
-
- /*
- * UNIX UDP sockets
- */
- #define IPPORT_BIFFUDP 512
- #define IPPORT_WHOSERVER 513
- #define IPPORT_ROUTESERVER 520 /* 520+1 also used */
-
- /*
- * Ports < IPPORT_RESERVED are reserved for
- * privileged processes (e.g. root).
- */
- #define IPPORT_RESERVED 1024
-
- /*
- * 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 */
- #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 */
- #define s_impno S_un.S_un_b.s_b4 /* imp # */
- #define s_lh S_un.S_un_b.s_b3 /* logical host */
- };
-
- /*
- * Definitions of bits in internet address integers.
- */
- #define IN_CLASSA(i) ((((long)(i))&0x80000000)==0)
- #define IN_CLASSA_NET 0xff000000
- #define IN_CLASSA_NSHIFT 24
- #define IN_CLASSA_HOST 0x00ffffff
-
- #define IN_CLASSB(i) ((((long)(i))&0xc0000000)==0x80000000)
- #define IN_CLASSB_NET 0xffff0000
- #define IN_CLASSB_NSHIFT 16
- #define IN_CLASSB_HOST 0x0000ffff
-
- #define IN_CLASSC(i) ((((long)(i))&0xc0000000)==0xc0000000)
- #define IN_CLASSC_NET 0xffffff00
- #define IN_CLASSC_NSHIFT 8
- #define IN_CLASSC_HOST 0x000000ff
-
- #define INADDR_ANY 0x00000000
- #define INADDR1_ANY 0x000000ff
-
- /*
- * Socket address, internet style.
- */
- struct sockaddr_in {
- short sin_family;
- u_short sin_port;
- struct in_addr sin_addr;
- char sin_zero[8];
- };
-
- #if !defined(vax)
- /*
- * Macros for number representation conversion.
- */
- #define ntohl(x) (x)
- #define ntohs(x) (x)
- #define htonl(x) (x)
- #define htons(x) (x)
- #endif
-
-