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struct sockaddr_in{short sin_family;/*Address family一般来说AF_INET（地址族）PF_INET（协议族）*/unsigned short sin_port;/*Port number(必须要采用网络数据格式,普通数字可以用htons()函数转换成网络数据格式的数字)*/struct in_addr sin_addr;/*IP address in network byte order（Internet address）*/unsigned char sin_zero[8];/*Same size as struct sockaddr没有实际意义,只是为了 跟SOCKADDR结构在内存中对齐*/}; |
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struct sockaddr_in{ #if(_WIN32_WINNT<0x0600) short sin_family; #else//(_WIN32_WINNT<0x0600) address_family sin_family; #endif//(_WIN32_WINNT<0x0600) ushort sin_port; in_addr sin_addr; char sin_zero[8];} |
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struct sockaddr_in { short sin_family; u_short sin_port; struct in_addr sin_addr; char sin_zero[8];}; |
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typedef uint32_t in_addr_t;struct in_addr { in_addr_t s_addr; }; |
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typedef struct in_addr{ union{ struct { unsigned char s_b1,s_b2,s_b3,s_b4; } S_un_b; struct { unsigned short s_w1,s_w2; } S_un_w; unsigned long S_addr; }S_un;}in_addr; |
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原文地址：http://www.cnblogs.com/ranjiewen/p/5617987.html
