use ggg

ccc.c

@@ -13,46 +13,37 @@
 
 
 int main(int argc, const char * argv[]) {
-    // insert code here...
-    printf("Hello, World!\n");
     
     int client_sockfd;
     int len;
-    struct sockaddr_in remota_addr; //服务器端网络地址结构体
-    char buf[BUFSIZ];  //数据传送的缓冲区
-    memset(&remota_addr,0,sizeof(remota_addr)); //数据初始化--清零
-    remota_addr.sin_family = AF_INET;  //设置为IPV4通信
+    struct sockaddr_in remota_addr;
+    char buf[BUFSIZ];
+
+    memset(&remota_addr,0,sizeof(remota_addr));
+    remota_addr.sin_family = AF_INET;
     remota_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
-    remota_addr.sin_port = htons(8000); //服务器端口号
+    remota_addr.sin_port = htons(8000);
     
-    //创建客户端套接字--Ipv4协议，面向连接通信，TCP协议
-    //成功，返回0 ，失败返回-1
-    if ((client_sockfd=socket(PF_INET, SOCK_STREAM, 0))<0) {
-        perror("socket");
-        return 1;
-    }
+
+
+
+    client_sockfd=socket(PF_INET, SOCK_STREAM, 0);
     
-    //将套接字绑定到服务器的网络地址上
-    if (connect(client_sockfd, (struct sockaddr *)&remota_addr, sizeof(struct sockaddr))<0) {
-        perror("connect");
-        return 1;
-    }
+    connect(client_sockfd, (struct sockaddr *)&remota_addr, sizeof(struct sockaddr));
     
     printf("connect to server\n");
     
-    len = recv(client_sockfd, buf, BUFSIZ, 0); //接受服务器端消息
+    len = recv(client_sockfd, buf, BUFSIZ, 0);
     buf[len]='/0';
-    printf("%s",buf);  //打印服务器端消息
-    
-    //循环的发送信息并打印接受消息--recv返回接收到的字节数，send返回发送的字节数
+    printf("%s",buf);    
+
+
+
     while (1) {
 	memset(buf,0,sizeof(buf));
 
         printf("Enter string to send");
         scanf("%s",buf);
-      //  if (!strcmp(buf,"quit")) {
-      //      break;
-      //  }
         
         len=send(client_sockfd,buf,strlen(buf),0);
 	memset(buf,0,sizeof(buf));
@@ -65,9 +56,7 @@ int main(int argc, const char * argv[]) {
 	}
         
     }
-    
     close(client_sockfd);
-    
     return 0;
 }