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way of knowing you are done reading a

way of knowing you are done reading a

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Which of the following is not a way of knowing you are done reading a file? O Using the end-of-file indicator provided by fscanf. An initial row that indicates the number of data elements in the file. O The user tells you when it is done. O A sentinel/trailer signal at the end of the data elements.
Transcribed Image Text:Which of the following is not a way of knowing you are done reading a file? O Using the end-of-file indicator provided by fscanf. An initial row that indicates the number of data elements in the file. O The user tells you when it is done. O A sentinel/trailer signal at the end of the data elements.
Expert Solution
Solution

Explanation for each part:

Part a) Using end-of-file indicator provided by scanf:

It is a correct way of knowing whether you are done reading a file. Most of the applications use this method.

Code:

while (scanf("%15s", input) != EOF)
The above code will run till the end of the file to read the input using while loop.

So this is not the answer.

Part b)

An initial row indicating number of data elements in the file.

A number indicating the number of data elements the file contain tells the scanner to read that many input elements value.

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