说明：  关于进程调度的一个程序，采用C语言编写程序，选用优先数调度算法或简单轮转法对五个进程进行调度，每个进程处于运行（Run）、就绪（Ready）和完成（Finish）三种状态之一，并假定起始状态为就绪状态。
(on the process of scheduling a procedure using C language programming, a few selected priority scheduling algorithm or a simple method to rotate five scheduling process, each process has been in operation (Run), ready (Ready) and completed (Finish), one of three states, and assume that the initial states of readiness.)