Write a C program.Write three seperate functions.First one will display a text file(a text file which you already wrote something in it).Second one will copy all the texts from your first text file to an empty text file and will make all the characters written with uppercase(you can use toupper() function)and display it on the screen.Third one will count the number of characters and will display it on the screen.Output will look like this in order:your first text,your first text with uppercases,numbers of characters.Use all your functions under main c and make sure its working properly.In main.c ask user for your text files names to open and work with.