ref: c3ba64f6935322f09b6de5c2285544fd471c605d
dir: /sys/include/ape/netinet/in.h/
#ifndef __netinet_in__ #define __netinet_in__ #ifdef __cplusplus extern "C" { #endif /* * Copyright (c) 1982, 1986, 1990 Regents of the University of California. * All rights reserved. * * Redistribution is only permitted until one year after the first shipment * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and * binary forms are permitted provided that: (1) source distributions retain * this entire copyright notice and comment, and (2) distributions including * binaries display the following acknowledgement: This product includes * software developed by the University of California, Berkeley and its * contributors'' in the documentation or other materials provided with the * distribution and in all advertising materials mentioning features or use * of this software. Neither the name of the University nor the names of * its contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)in.h 7.10 (Berkeley) 6/28/90 plus MULTICAST 1.1 */ /* * Constants and structures defined by the internet system, * Per RFC 790, September 1981. */ /* * Protocols */ #define IPPROTO_IP 0 /* dummy for IP */ #define IPPROTO_ICMP 1 /* control message protocol */ #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ #define IPPROTO_TCP 6 /* tcp */ #define IPPROTO_EGP 8 /* exterior gateway protocol */ #define IPPROTO_PUP 12 /* pup */ #define IPPROTO_UDP 17 /* user datagram protocol */ #define IPPROTO_IDP 22 /* xns idp */ #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ #define IPPROTO_EON 80 /* ISO cnlp */ #define IPPROTO_RAW 255 /* raw IP packet */ #define IPPROTO_MAX 256 /* * Local port number conventions: * Ports < IPPORT_RESERVED are reserved for * privileged processes (e.g. root). * Ports > IPPORT_USERRESERVED are reserved * for servers, not necessarily privileged. */ #define IPPORT_RESERVED 1024 #define IPPORT_USERRESERVED 5000 /* * Internet address (a structure for historical reasons) */ struct in_addr { unsigned long s_addr; }; /* * Definitions of bits in internet address integers. * On subnets, the decomposition of addresses to host and net parts * is done according to subnet mask, not the masks here. */ #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_CLASSA_MAX 128 #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_CLASSB_MAX 65536 #define IN_CLASSC(i) (((long)(i) & 0xe0000000) == 0xc0000000) #define IN_CLASSC_NET 0xffffff00 #define IN_CLASSC_NSHIFT 8 #define IN_CLASSC_HOST 0x000000ff #define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000) #define IN_MULTICAST(i) IN_CLASSD(i) #define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000) == 0xe0000000) #define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000) #define INADDR_ANY (unsigned long)0x00000000 #define INADDR_BROADCAST (unsigned long)0xffffffff /* must be masked */ #define INADDR_NONE (unsigned long)0xffffffff /* -1 return */ #define IN_LOOPBACKNET 127 /* official! */ /* * IPv6 internet address. */ struct in6_addr { unsigned char s6_addr[16]; }; extern struct in6_addr in6addr_any; extern struct in6_addr in6addr_loopback; #define IN6ADDR_ANY_INIT \ {{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }} #define IN6ADDR_LOOPBACK_INIT \ {{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }} /* * Socket address, internet style. */ struct sockaddr_in { short sin_family; unsigned short sin_port; struct in_addr sin_addr; char sin_zero[8]; }; struct sockaddr_in6 { short sin6_family; unsigned short sin6_port; unsigned long sin6_flowinfo; struct in6_addr sin6_addr; unsigned long sin6_scope_id; }; /* * Structure used to describe IP options. * Used to store options internally, to pass them to a process, * or to restore options retrieved earlier. * The ip_dst is used for the first-hop gateway when using a source route * (this gets put into the header proper). */ struct ip_opts { struct in_addr ip_dst; /* first hop, 0 w/o src rt */ char ip_opts[40]; /* actually variable in size */ }; /* * Options for use with [gs]etsockopt at the IP level. * First word of comment is data type; bool is stored in int. */ #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP per-packet options */ #define IP_HDRINCL 7 /* int; header is included with data (raw) */ #define IP_TOS 8 /* int; IP type of service and precedence */ #define IP_TTL 9 /* int; IP time to live */ extern unsigned long ntohl(unsigned long x); extern unsigned short ntohs(unsigned short x); extern unsigned long htonl(unsigned long x); extern unsigned short htons(unsigned short x); extern unsigned long inet_addr(char*); extern int inet_aton(char*, struct in_addr*); extern char* inet_ntoa(struct in_addr); extern char* inet_ntop(int af, void *src, char *dst, int size); extern int inet_pton(int af, char *src, void *dst); #define INET_ADDRSTRLEN 16 #define INET6_ADDRSTRLEN 46 #ifdef __cplusplus } #endif #endif /* __netinet_in__ */