C語言 編寫的乙個簡單的Server Client

伺服器：

#include #include #pragma comment(lib, "ws2_32.lib")

/******************************************
函式名稱：server
輸入引數：
函式功能：
*******************************************/
void main()
// 建立socket
socket server;
server = socket(af_inet, sock_stream, ipproto_tcp);
if ( server == invalid_socket ) 
// 繫結socket
int iret;
sockaddr_in service;
service.sin_family = af_inet;
service.sin_addr.s_addr = inet_addr( "192.168.102.88" );
service.sin_port = htons( 27015 );
iret = bind(server, (sockaddr*) &service, sizeof(service));
if (socket_error == iret) 
// 監聽 socket
if ( listen( server, 1 ) == socket_error )
printf( "error listening on socket. \n");
// 接受連線
socket acceptsocket;
printf("waiting for client to connect... \n");
while (1)
printf( "client connected. \n");
server = acceptsocket;
break; } 
// 傳送接受資料
int isent;
int irecv = socket_error;
char sendbuf[32] = "server: sending data.";
char recvbuf[32] = "";
irecv = recv( server, recvbuf, 32, 0);
printf("bytes recv: %d \n", irecv);
isent = send( server, sendbuf, strlen(sendbuf), 0);
printf("bytes sent: %d \n", isent);
return;
}

#include #include #pragma comment(lib, "ws2_32.lib")

/******************************************
函式名稱：
輸入引數：client
函式功能：
*******************************************/
void main() 
// 建立套接字.
socket client;
client = socket( af_inet, sock_stream, ipproto_tcp );
if (client == invalid_socket) 
// 連線到伺服器.
int iret;
sockaddr_in clientservice;
clientservice.sin_family = af_inet;
clientservice.sin_addr.s_addr = inet_addr("192.168.102.88");
clientservice.sin_port = htons( 27015 );
iret = connect( client, (sockaddr*) &clientservice, sizeof(clientservice));
if (iret == socket_error) 
// 傳送並接收資料.
int isent;
int irecv = socket_error;
char sendbuf[32] = "client: sending data.";
char recvbuf[32] = "";
isent = send( client, sendbuf, strlen(sendbuf), 0 );
printf( "bytes sent: %d \n", isent );
while( irecv == socket_error ) 
if (irecv < 0)
return;
printf( "bytes recv: %d \n", irecv ); } 
return;
}

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