Linux中利用socket透過server,兩個client端傳送與接收檔案,可在code中設定ip/port,為linux入門者參考code,有使用thread,故編譯時要加一條-lpthread-Socket through the use of Linux in the server, two client-side to send and receive files, can be set in the code in the ip/port, for the entry-linux reference code, the use of thread, it is a compile-time to add-lpthread