Reverse a String Using Pointers in C

To reverse the string, you can use pointers instead of array indices, which can sometimes make the code cleaner and more idiomatic in C$.$

Palindrome Check Using Recursion

Extend the reverse example of the string to check if a given string is a palindrome, i$.$e$.,$ reads the same forward and backward.

Count Vowels Using Recursion

Add a function to count the number of vowels in a string using recursion.