获取文件的属性。在程序设计中，经常需要获取文件的状态信息，如文件的类型、大小及创建时间等。这些信息的获取是通过系统调用stat、fstat和lstat实现的。-Get file attributes. In programming, you often need to obtain file status information, such as file type, size, and creation time. The access to information through the s