C语言从文本中逐行读取文字并识别实现下列命令行参数

C语言从文本中逐行读取文字并识别实现下列命令行参数
Write a program that reads from a text file named"messages.txt" line by line (until end-of-file, EOF) and echoes the messages to the display.
Have the program recognize and implement the following command-line arguments

这个很容易，请搜索 “C语言读文件” 就可以看到很多例子。