说明：  设计并实现Unix的“time”命令。“mytime”命令通过命令行参数接受要运行的程序，创建一个独立的进程来运行该程序，并记录程序运行的时间。 在Windows下实现: • 使用CreateProcess()来创建进程 • 使用WaitForSingleObject()在“mytime”命令和新创建的进程之间同步 • 调用GetSystemTime()来获取时间
(Design and implementation of the Unix " time" command. " Mytime" command via the command line parameter accepts the program to run, create a separate process to run the program, and recording program to run. Under Windows: • Using CreateProcess () to create a process • Use WaitForSingleObject () in " mytime" command and the newly created synchronization between processes • Call GetSystemTime () to get the time)