Question: these C programming question I would appreciate if you answer as soon as possible 1) write a statement that declares and uses a file pointer

these C programming question I would appreciate if you answer as soon as possible 1) write a statement that declares and uses a file pointer named fp to open a file named input.txt in read mode. 2)write a statement that declares and uses a file pointer named fp to open a file named output.txt in write mode. 3)write a statement that declares and uses a file named fp to open a file named output.txt in append mode. 4)write a statement that closes a file attached to a file pointer named fp

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