wintc上编译通过的五子棋又系，能实现双人对战，即时存/读档，并于第一次运行时要求输入两个玩家的用户名，之后每次运行之前进行验证。-wintc backgammon and compiled by the Department, to achieve the double battle, real-time save/read file and run in the first two players to ask for your user name, and then verified b