1. Your code should use STDIN and STDOUT for input and output. (This is the default.) Use redirection on the command line to read from a file and write to a file. Or you can take the file name from the command line as I did with the Cryptoquip helper example I went over in class. 3. The code should output the length of time since the file was last modified. The 4. The program should call stat() or similar function to get the modification 5. This program should use glibc functions for input and output.. format is days, hours, minutes and seconds. time of the file in