TCP客戶 伺服器程式例項

server.cpp

#include #include #include #include #include #include #include #include #include #include #include #include #include #define ip "127.0.0.1"

#define port 8888
int main(int argc, char* ar**)
//防止埠復用
int reuse = 1 ;
setsockopt(sfd, sol_socket, so_reuseaddr, (void*)&reuse, sizeof(reuse));
//初始化socket
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = af_inet;
servaddr.sin_port = htons(port) ;
servaddr.sin_addr.s_addr = inet_addr(ip);
//繫結套接字
if(bind(sfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) == -1)
//監聽套接字
if(listen(sfd, 5) == -1)
//連線確認
if((afd = accept(sfd, null, null)) == -1)
char buf[1024];
while(memset(buf, 0, 1024), read(afd, buf, 1024)) 
} //關閉套接字
close(afd);
return 0;
}

client.cpp

#include #include #include #include #include #include #include #include #include #include #include #include #include #define ip "127.0.0.1"

#define port 8888
int main(int argc, char* ar**)
//防止埠復用
int reuse = 1 ;
setsockopt(sfd, sol_socket, so_reuseaddr, (void*)&reuse, sizeof(reuse));
//設定將要與伺服器連線的套接字
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = af_inet;
servaddr.sin_port = htons(port) ;
servaddr.sin_addr.s_addr = inet_addr(ip);
//與伺服器連線
if(connect(sfd, (sockaddr*)&servaddr, sizeof(servaddr))== -1)
//通訊
char buf[1024];
while(memset(buf, 0, 1024), scanf("%s", buf) != eof) }
close(sfd);
return 0;
}

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