c语言中的 netinetin是什么意思

2023-02-24 15:04:02Python029

c语言中的 netinetin是什么意思,第1张

名称

netinet/in.h - Internet address family netinet / in.h - 互联网地址族

SYNOPSIS故事大纲

#include <netinet/in.h>＃包括<netinet/in.h>

DESCRIPTION描述

The <netinet/in.h>header shall define the following types:该<netinet/in.h>头应确定以下类型：

in_port_t in_port_t

Equivalent to the type uint16_t as defined in <inttypes.h>.等价的类型uint16_t在定义<inttypes.h>。

in_addr_t in_addr_t

Equivalent to the type uint32_t as defined in <inttypes.h>.等价的类型uint32_t在定义<inttypes.h>。

The sa_family_t type shall be defined as described in <sys/socket.h>.该sa_family_t类型应被定义为描述<sys/socket.h>。

The uint8_t and uint32_t type shall be defined as described in <inttypes.h>.该uint8_t和uint32_t类型应被定义为描述<inttypes.h>。 Inclusion of the <netinet/in.h>header may also make visible all symbols from <inttypes.h>and <sys/socket.h>.标题包含的<netinet/in.h>也可从所有可见的符号<inttypes.h>和<sys/socket.h>。

The <netinet/in.h>header shall define the in_addr structure that includes at least the following member:该<netinet/in.h>头应确定in_addr结构，至少包括以下成员：

in_addr_t s_addr in_addr_t s_addr

The <netinet/in.h>header shall define the sockaddr_in structure that includes at least the following members:该<netinet/in.h>头应确定SOCKADDR_IN结构，其中包括至少下列成员：

sa_family_t sin_family AF_INET. in_port_t sin_port Port number. struct in_addr sin_addr IP address. sa_family_t sin_family是AF_INET。in_port_t sin_port端口号。结构in_addr sin_addr的IP地址。

The sin_port and sin_addr members shall be in network byte order.该sin_port和sin_addr成员应在网络字节顺序。

The sockaddr_in structure is used to store addresses for the Internet address family.该SOCKADDR_IN结构是用来存储家庭地址的Internet地址。 Values of this type shall be cast by applications to struct sockaddr for use with socket functions.值类型转换插座职能，应由申请与使用结构sockaddr的。

[ IP6 ] [ 肌醇 ] [备选案文开始] The <netinet/in.h>header shall define the in6_addr structure that contains at least the following member:该<netinet/in.h>头应确定in6_addr结构，至少包含以下成员：

uint8_t s6_addr[16] uint8_t s6_addr [16]

This array is used to contain a 128-bit IPv6 address, stored in network byte order.这个数组用来包含一个128位的IPv6地址，在网络存储字节顺序。

The <netinet/in.h>header shall define the sockaddr_in6 structure that includes at least the following members:该<netinet/in.h>头应确定sockaddr_in6结构，至少包括以下成员：

sa_family_t sin6_family AF_INET6. sa_family_t sin6_family AF_INET6。

in_port_tsin6_port Port number. in_port_t sin6_port端口号。

uint32_t sin6_flowinfo IPv6 traffic class and flow information. uint32_t sin6_flowinfo IPv6通信类和信息流。

struct in6_addr sin6_addr IPv6 address. 结构in6_addr sin6_addr IPv6地址。

uint32_t sin6_scope_id Set of interfaces for a scope. uint32_t sin6_scope_id范围一套接口。

The sin6_port and sin6_addr members shall be in network byte order.该sin6_port和sin6_addr成员应在网络字节顺序。

The sockaddr_in6 structure shall be set to zero by an application prior to using it, since implementations are free to have additional, implementation-defined fields in sockaddr_in6 .该sockaddr_in6结构应被设置为应用零一前使用它，因为可以自由的实现有执行定义的领域sockaddr_in6增加。

The sin6_scope_id field is a 32-bit integer that identifies a set of interfaces as appropriate for the scope of the address carried in the sin6_addr field.该sin6_scope_id字段是一个32位整数，在该领域的sin6_addr标识一组接口的地址进行适当的范围。 For a link scope sin6_addr , the application shall ensure that sin6_scope_id is a link index.对于一个链接范围sin6_addr的，应当确保sin6_scope_id是一个环比价格指数。 For a site scope sin6_addr , the application shall ensure that sin6_scope_id is a site index.对于一个场址范围sin6_addr的，应当确保sin6_scope_id是一个网站的索引。 The mapping of sin6_scope_id to an interface or set of interfaces is implementation-defined.该接口映射到一个或接口sin6_scope_id集是实现定义。

The <netinet/in.h>header shall declare the following external variable:该<netinet/in.h>头应宣布下列外部变量：

const struct in6_addr in6addr_any 常量结构in6_addr in6addr_any

This variable is initialized by the system to contain the wildcard IPv6 address.这个变量是由系统初始化包含通配符的IPv6地址。 The <netinet/in.h>header also defines the IN6ADDR_ANY_INIT macro.该<netinet/in.h>头还定义IN6ADDR_ANY_INIT宏。 This macro must be constant at compile time and can be used to initialize a variable of type struct in6_addr to the IPv6 wildcard address.这个宏必须保持在编译时，可以用来初始化一个类型变量的结构in6_addr到IPv6的通配符地址。

The <netinet/in.h>header shall declare the following external variable:该<netinet/in.h>头应宣布下列外部变量：

const struct in6_addr in6addr_loopback 常量结构in6_addr in6addr_loopback

This variable is initialized by the system to contain the loopback IPv6 address.这个变量是由系统初始化，控制回路的IPv6地址。 The <netinet/in.h>header also defines the IN6ADDR_LOOPBACK_INIT macro.该<netinet/in.h>头还定义IN6ADDR_LOOPBACK_INIT宏。 This macro must be constant at compile time and can be used to initialize a variable of type struct in6_addr to the IPv6 loopback address.这个宏必须保持在编译时，可以用来初始化一个类型变量的结构in6_addr到IPv6的环回地址。

The <netinet/in.h>header shall define the ipv6_mreq structure that includes at least the following members:该<netinet/in.h>头应确定ipv6_mreq结构，至少包括以下成员：

struct in6_addr ipv6mr_multiaddr IPv6 multicast address. 结构in6_addr ipv6mr_multiaddr IPv6组播地址。

unsigned ipv6mr_interface Interface index. 未签名的ipv6mr_interface接口索引。

[备选案文完]

The <netinet/in.h>header shall define the following macros for use as values of the level argument of getsockopt () and setsockopt () :该<netinet/in.h>头应确定水平的论点如下宏作为值使用getsockopt（）和使用setsockopt（）：

IPPROTO_IP IPPROTO_IP

Internet protocol.互联网协议。

IPPROTO_IPV6 IPPROTO_IPV6

[ IP6 ] [ 肌醇 ] [备选案文开始] Internet Protocol Version 6. Internet协议版本6。 [备选案文完]

IPPROTO_ICMP IPPROTO_ICMP

Control message protocol.控制消息协议。

IPPROTO_RAW IPPROTO_RAW

[ RS ] [ 遥感 ] [备选案文开始] Raw IP Packets Protocol.原始IP数据包协议。 [备选案文完]

IPPROTO_TCP IPPROTO_TCP

Transmission control protocol.传输控制协议。

IPPROTO_UDP IPPROTO_UDP

User datagram protocol.用户数据报协议。

The <netinet/in.h>header shall define the following macros for use as destination addresses for connect () , sendmsg () , and sendto () :该<netinet/in.h>头应确定目标地址为使用如下宏连接（）， sendmsg（），和SendTo文件（）：

INADDR_ANY INADDR_ANY

IPv4 local host address. IPv4的本地主机地址。

INADDR_BROADCAST INADDR_BROADCAST

IPv4 broadcast address. IPv4的广播地址。

The <netinet/in.h>header shall define the following macro to help applications declare buffers of the proper size to store IPv4 addresses in string form:该<netinet/in.h>头应当载明下列事项，以帮助申请申报宏大小适当的缓冲区来存储的字符串形式的IPv4地址：

INET_ADDRSTRLEN INET_ADDRSTRLEN

16. 16。 Length of the string form for IP.长度为IP字符串形式。

The htonl () , htons () , ntohl () , and ntohs () functions shall be available as defined in <arpa/inet.h>.该htonl（）， htons（）， ntohl（），和ntohs（）函数应可在定义<arpa/inet.h>。 Inclusion of the <netinet/in.h>header may also make visible all symbols from <arpa/inet.h>.标题包含的<netinet/in.h>也可从所有可见的符号<arpa/inet.h>。

[ IP6 ] [ 肌醇 ] [备选案文开始] The <netinet/in.h>header shall define the following macro to help applications declare buffers of the proper size to store IPv6 addresses in string form:该<netinet/in.h>头应当载明下列事项，以帮助申请申报宏缓冲区的大小适当的形式存储的IPv6地址的字符串：

INET6_ADDRSTRLEN INET6_ADDRSTRLEN

46. 46。 Length of the string form for IPv6.长度为IPv6的字符串形式。

The <netinet/in.h>header shall define the following macros, with distinct integer values, for use in the option_name argument in the getsockopt () or setsockopt () functions at protocol level IPPROTO_IPV6:该<netinet/in.h>头应当载明下列事项宏，有明显的整数值，在参数的使用在option_name getsockopt（）或使用setsockopt（） IPPROTO_IPV6功能在协议级别：

IPV6_JOIN_GROUP IPV6_JOIN_GROUP

Join a multicast group.加入一个多播组。

IPV6_LEAVE_GROUP IPV6_LEAVE_GROUP

Quit a multicast group.退出一个多播组。

IPV6_MULTICAST_HOPS IPV6_MULTICAST_HOPS

Multicast hop limit.组播跳的限制。

IPV6_MULTICAST_IF IPV6_MULTICAST_IF

Interface to use for outgoing multicast packets.即将离任的接口用于多播数据包。

IPV6_MULTICAST_LOOP IPV6_MULTICAST_LOOP

Multicast packets are delivered back to the local application.多播数据包被传递回本地应用程序。

IPV6_UNICAST_HOPS IPV6_UNICAST_HOPS

Unicast hop limit.单播跳的限制。

IPV6_V6ONLY IPV6_V6ONLY

Restrict AF_INET6 socket to IPv6 communications only.限制AF_INET6到IPv6通讯插座只。

The <netinet/in.h>header shall define the following macros that test for special IPv6 addresses.该<netinet/in.h>头应当载明下列事项宏测试特殊的IPv6地址。 Each macro is of type int and takes a single argument of type const struct in6_addr * :每个宏是int 类型的常量，而所需的类型单一参数的结构in6_addr *：

IN6_IS_ADDR_UNSPECIFIED IN6_IS_ADDR_UNSPECIFIED

Unspecified address.未指定地址。

IN6_IS_ADDR_LOOPBACK IN6_IS_ADDR_LOOPBACK

Loopback address.环回地址。

IN6_IS_ADDR_MULTICAST IN6_IS_ADDR_MULTICAST

Multicast address.组播地址。

IN6_IS_ADDR_LINKLOCAL IN6_IS_ADDR_LINKLOCAL

Unicast link-local address.单播链路本地地址。

IN6_IS_ADDR_SITELOCAL IN6_IS_ADDR_SITELOCAL

Unicast site-local address.单播站点本地地址。

IN6_IS_ADDR_V4MAPPED IN6_IS_ADDR_V4MAPPED

IPv4 mapped address.映射的IPv4地址。