Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here...
A very quick search using your subject as the search term
gave over one million hits: https://www.google.co.uk/search?sugexp=chrome,mod=16&sourceid=chrome&ie=UTF-8&q=Hangman+game+in+C
The top hit is the full source code.
So is the second, and the third, and the fourth, and the fifth, and...
In future, please try to do at least basic research yourself, and not waste your time or ours.