linux 伺服器 客戶端 tcp通訊的簡單例子

昨天弄了sublime之後沒有弄輸入中文的了，學生黨來著，剛好可以練練英語（英語渣渣，還要考六級），所以注釋都寫英文的（語法什麼的就別太深究了）

伺服器端：

/*start from the very beginning,and create greatness

@name:chuangwei lin
@e-mail:[email protected]
@brief:a ****** example about server/client link(server c file)
*/#include 
#include 
#include 
#include 
#include 
#include 
#include 
#define port 8888 //port to listen
#define backlog 2 //the length of listen queue
void process_conn_server(int s);
int main(int argc, char
const *argv)
//set the server address
bzero(&server_addr,sizeof(server_addr)); //clear
server_addr.sin_family = af_inet; //protocol family
server_addr.sin_addr.s_addr = htonl(inaddr_any);//local address
server_addr.sin_port = htons(port); //server port
//binging 
err = bind(ss,(struct sockaddr*)&server_addr,sizeof(server_addr));
if (err < 0)
//listening
err = listen(ss,backlog);
if (err < 0)
//the main loop
for (;;) 
//create a new process to process the connecting
pid = fork();
if (0 == pid)
else
}return0;}
//the process function
void process_conn_server(int s)
sprintf(buffer,"%d bytes altogether\n",size); //send the number of data return
write(s,buffer,strlen(buffer)+1);
}}

/*start from the very beginning,and create greatness

@name:chuangwei lin
@e-mail:[email protected]
@brief:a ****** example about server/client link(client c file)
*/#include 
#include 
#include 
#include 
#include 
#include 
#include 
#define port 8888 //port to listen
void process_conn_client(int s);
int main(int argc, char
const *argv)
//set the server address
bzero(&server_addr,sizeof(server_addr));
server_addr.sin_family = af_inet; //protocol family
server_addr.sin_addr.s_addr = htonl(inaddr_any); //local address
server_addr.sin_port = htons(port); //server port
//change the user input char ip to int 
inet_pton(af_inet,argv[1],&server_addr.sin_addr);
//conneting the server 
connect(s,(struct sockaddr*)&server_addr,sizeof(struct sockaddr));
process_conn_client(s);
close(s);
return0;}
void process_conn_client(int s)
}}

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