in c languge

1. Write a function named processString that receives a C-strings in the form of null terminated character pointers named str. The function replaces most frequently occurring characters ( ) in the string str with the first letter of your name. For example, if your name is "Ali" and the string str is "book", then after exacting the function the value of string str becomes "bAAk" as the character 'o' appears twice while other characters appear once 2. Write the main function that: - Prints your full name and your student ID - Define an array of character named text of size 50 - Prompt the user to enter a string and store it in the array text - Properly calls the function processString to replaces most frequently occurring characters in the string str with the first letter of your name - Print the updated string text