Write a Menu Driven C++ program that creates a character array/string by taking input from the user and perform the following tasks by displaying the menu to the user, the menu operations are...

Write a Menu Driven C++ program that creates a character array/string by taking input from the user and perform the following tasks by displaying the menu to the user, the menu operations are implemented using functions:
a) Calculate the length of the string.
b) Count the number of words in a string.
c) Check a string is palindrome or not.
d) Find a word within the array. If found display its starting position.
e) Convert a string in lowercase.
f) Convert a string in uppercase.
Note: Make all code separately and then merge them all in a menu. Use switch statement for menu.