// Pantea Aria

// strings - reading - working on chars one by one
// ctype.h library functions

// Write a C program that reads a line of text from the user and 
// send it to a function, converts all uppercase letters to lowercase.

// can you write it for multiple books?


#include <stdio.h>
#include <ctype.h>

#define MAX 30


int main(void) {
    char book[MAX];

    printf("Enter your favourite book: ");
    // read a book

    printf("Original: %s", book);

    // call the function
    
    

    printf("Lowercase: %s", book);


    return 0;
}