1. Write and test a function that returns the plural form of the singular English word that is passed to it.
2. Write a program that reads a sequence of names, one per line, and then sorts and prints them.
3. Write and test a function to reverse a C-string in place, without any duplication of characters.
4. Write and run the variation of the strncat() function that uses
while (cin >> word)
instead of
do..while (*word)