Write a program that will perform and display the results of math functions based on user

input of an integer value

$2.$ Use the scanf$()$ function to get integer input from the user.

$3.$ Use a loop to continually prompt the user for another number to process, let the number $0$

indicate Exit or Quit the program.

$4.$ Implement the following two math functions in two separate $.$c files $($fun$1.$c and fun$2.$c$)$:

$1.$ fun$1.$c: Given an integer value as a parameter, return the square of the given integer

$2.$ fun$2.$c: Given an integer value as a parameter, return the next integer $($i$.$e$.$ add $1)$

$$ Create a main.c $($in a separate $3$rd file$)$ which has the main$()$ function