Question: What does the standard I/O library function int getchar() do? Why does it return an int? 6. What is the difference between the standard 10

What does the standard I/O library function int getchar() do?

Why does it return an int?

6. What is the difference between the standard 10 library functions scanf().fscanf(), and sscanf()?

7. What do the functions scanf(), fscanf(), and sscanf() return?

8. What does the stdlib library function system) do?

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