功能是创建传递过来的进程的克隆过程并赋于其ID值，确定进程在列表中的位置，从第二个参数中提取克隆ID，检查是否有创建子进程的需要，发送新进程的命令行和克隆号-Function is to create a process to pass over the cloning process and assigns the value of its ID，Determine the position in the list of processes to extract clone ID from t