how to finish this hold code?

Use the code skeleton on the next pages to write a C program that allows the user to print a list of books titles, sort the list of books based on the book titles in ascending order, print the length (number of characters) of each book title on the list, check if a given book title exist in the list or not. Finally, change the main method to allow the user to enter the book title to check if this book title on the book list or not. (see the example at the end of the lab description) Note: you can download the c file of the code skeleton from blackboard the file name is lab6.c Use the code skeleton on the next pages to write a C program that allows the user to print a list of books titles, sort the list of books based on the book titles in ascending order, print the length (number of characters) of each book title on the list, check if a given book title exist in the list or not. Finally, change the main method to allow the user to enter the book title to check if this book title on the book list or not. (see the example at the end of the lab description) Note: you can download the c file of the code skeleton from blackboard the file name is lab6.c