在LINUX平台用c编程逆序一个文本文件，显示逆转结果的必须是原文件名。分别用两种方法：（task1）：标准C的IO库函数（task2）：Unix的IO数-In the LINUX platform using c programming reverse a text file, showing the result must be a reversal of the original file name. Were used in two ways: (task1): Standard C-I