Write a complete program that copies each character that is input from the keyboard and prints it to the screen,

with the following three exceptions.

$(1)$ when the user hits the "Enter" key of the keyboard $($newline$)$ the two characters $\text{'}\backslash \text{'}$ and $\text{'}$n$\text{'}$ are printed to the screen with no

space between them. The newline is not printed to the screen. What char does scanf$(\%$c$,$c$1)$ store in c$1$ the when the user

hits the Enter key?

$(2)$ when the user enters cntrl$-$Z the program terminates.