Linux 網路程式設計（TCP）

#include#include#include#include#include#include#include#include int main(int argc, char** argv)

bzero(&server_addr, sizeof(struct sockaddr_in));
server_addr.sin_family = af_inet;
server_addr.sin_port = htons(port);
server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
if((connect(socketfd, &server_addr, sizeof(server_addr))) == -1)
while(1)
close(socketfd);
exit(0);
}

#include#include#include#include#include#include#include#include #include int main(int argc, char** argv)

bzero(&server_addr, sizeof(struct sockaddr_in));
server_addr.sin_family = af_inet;
server_addr.sin_port = htons(port);
server_addr.sin_addr.s_addr = htonl(inaddr_any);
if((bind(old_fd, &server_addr, sizeof(server_addr))) == -1)
//listen的第二個引數backlog為核心快取佇列長度，該佇列針對每個監聽套接字包含兩個佇列：
//一是未完成三次握手的，二是完成三次握手的
if(listen(old_fd, 10) == -1)
while(1)
while(1)
nbytes = recv(new_fd, recvbuf, sizeof(recvbuf), 0);
recvbuf[nbytes] = '\0';
printf("recv data is:%s\n",recvbuf);
}close(new_fd);
}close(old_fd);
exit(0);
}

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