设计两个程序，要求用命名管道实现聊天程序，每次发言后自动在后面增加当前系统时间。增加结束字符，比如最后输入“88”后结束进程。-Design of the two programs, require Named Pipes achieve chat program, after speaking at the back of the increase automatically each time the current system time. Increase end character, such as the last input end of the process,　88　after.