106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
/*
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netinet/in.h
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*/
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#ifndef _NETINET__IN_H
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#define _NETINET__IN_H
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/* Can we include <stdint.h> here or do we need an additional header that is
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* safe to include?
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*/
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#include <stdint.h>
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/* Open Group Base Specifications Issue 6 (not complete) */
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#define INADDR_ANY (uint32_t)0x00000000
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#define INADDR_BROADCAST (uint32_t)0xFFFFFFFF
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#define INADDR_LOOPBACK (uint32_t)0x7F000001
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#define IN_LOOPBACKNET 127
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#define IPPORT_RESERVED 1024
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typedef uint16_t in_port_t;
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#ifndef _IN_ADDR_T
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#define _IN_ADDR_T
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typedef uint32_t in_addr_t;
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#endif /* _IN_ADDR_T */
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#ifndef _SA_FAMILY_T
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#define _SA_FAMILY_T
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/* Should match corresponding typedef in <sys/socket.h> */
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typedef uint8_t sa_family_t;
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#endif /* _SA_FAMILY_T */
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/* Protocols */
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#define IPPROTO_IP 0 /* Dummy protocol */
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#define IPPROTO_ICMP 1 /* ICMP */
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#define IPPROTO_TCP 6 /* TCP */
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#define IPPROTO_EGP 8 /* exterior gateway protocol */
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#define IPPROTO_UDP 17 /* UDP */
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/* setsockopt options at IP level */
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#define IP_ADD_MEMBERSHIP 12
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#define IP_DROP_MEMBERSHIP 13
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#ifndef _STRUCT_IN_ADDR
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#define _STRUCT_IN_ADDR
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struct in_addr
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{
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in_addr_t s_addr;
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};
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#endif
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struct sockaddr_in
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{
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sa_family_t sin_family;
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in_port_t sin_port;
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struct in_addr sin_addr;
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};
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struct ip_mreq
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{
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struct in_addr imr_multiaddr;
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struct in_addr imr_interface;
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};
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/*
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* IPv6 is not supported, but some programs need these declarations
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* nevertheless; these declarations are based on
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* http://www.opengroup.org/onlinepubs/000095399/basedefs/netinet/in.h.html
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*/
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struct in6_addr
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{
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uint8_t s6_addr[16];
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};
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struct sockaddr_in6
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{
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sa_family_t sin6_family;
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in_port_t sin6_port;
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uint32_t sin6_flowinfo;
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struct in6_addr sin6_addr;
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uint32_t sin6_scope_id;
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};
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#define INET6_ADDRSTRLEN 46
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/* Definitions that are not part of the Open Group Base Specifications */
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#define IN_CLASSA(i) (((uint32_t)(i) & 0x80000000) == 0)
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#define IN_CLASSA_NET 0xff000000
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#define IN_CLASSA_NSHIFT 24
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#define IN_CLASSB(i) (((uint32_t)(i) & 0xc0000000) == 0x80000000)
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#define IN_CLASSB_NET 0xffff0000
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#define IN_CLASSB_NSHIFT 16
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#define IN_CLASSC(i) (((uint32_t)(i) & 0xe0000000) == 0xc0000000)
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#define IN_CLASSC_NET 0xffffff00
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#define IN_CLASSC_NSHIFT 8
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#define IN_CLASSD(i) (((uint32_t)(i) & 0xf0000000) == 0xe0000000)
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#define IN_CLASSD_NET 0xf0000000
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#define IN_CLASSD_NSHIFT 28
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#endif /* _NETINET__IN_H */
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