Why is getting unsafe?

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4. What C++ library is string in?
5. Is C++ a digit?
6. What is an Ostream?
7. What does Fgets return at EOF?
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Tags

1. #condition
2. #inherently
3. #without
4. #programmer
5. #resulting
6. #buffer
7. #overflow
8. #functions
9. #larger
10. #allows
11. #unsafe
12. #stdin
13. #provide
14. #checking
15. #copies
16. #dangerous
17. #string
18. #because
19. #blindly
20. #input
21. #function
22. #however
23. #which