/************************************== *
*檔名：
tcp_client.c *
*檔案描述：
tcp迴圈伺服器客戶端 *
*xue，
2012、07
、26 *
************************************=*/
#include
#include
#include
#include
#include
#include
#include
#include
#define buffer 1024
#define port 7777
int main(int argc, char *argv)
bzero(&server_addr, sizeof (server_addr));
server_addr.sin_family= af_inet;
server_addr.sin_port= htons (port);
server_addr.sin_addr.s_addr= htonl (inaddr_any);
rel =connect (client_sockfd, (struct sockaddr *)&server_addr, sizeof(server_addr));
if(rel < 0)
printf("wait for the server send someting to client\n");
while(1)
memset(buffer, 0, sizeof (buffer));
printf("please input someting send to the server!\nclient:");
fgets(buffer, buffer, stdin);
if(!(strncmp (buffer, "quit", 4)))
n = send (client_sockfd, buffer, strlen (buffer), 0);
if(n > 0)
}close(client_sockfd);
return 0; }
/************************************== *
*檔名：
tcp_server.c *
*檔案描述：
tcp迴圈伺服器伺服器端 *
*xue，
2012、07
、26 *
************************************=*/
#include
#include
#include
#include
#include
#include
#include
#include
#define buffer 1024
#define port 7777
int main(int argc, char *argv)
bzero(&server_addr, sizeof (server_addr));
server_addr.sin_family= af_inet;
server_addr.sin_port= htons (port);
server_addr.sin_addr.s_addr= htonl (inaddr_any);
rel = bind (server_sockfd, (struct sockaddr *)&server_addr, sizeof(server_addr));
if(rel < 0)
rel =listen (server_sockfd, 5);
if(rel < 0)
memset(buffer, 0, buffer);
while(1)
while(1)
n =send(client_sockfd, buffer, strlen(buffer), 0);
if(n > 0)
else
n =recv (client_sockfd, buffer, buffer, 0);
if(n > 0)
else
} close(client_sockfd); }
close(server_sockfd);
return0; }
首先，編譯後，先執行伺服器
server
[root@localhostlianxi]# ./server
waitthe new client to connection!
再執行客戶端
[root@localhostlianxi]# ./client
waitfor the server send someting to client
接著就可以實現同步通訊了。
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