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Wordcrawler, an iterator class that acts like a char pointer but indexes words in std::string, is declared, defined, and used in the main function. The Wordcrawler class is designed to increment over objects of type string, but indexing by words. It works like a char pointer and does not create any copies of the Wordcrawler object type. The main function prompts the user to input a set of words, stores them all as a single std::string, outputs the number of words in the string, the number of the word 'the' in the string, every other word of the string, and finally the words in the reverse order.