1. Discuss the significance of the fi le offset pointer when a fi le is read by different fi le-handling functions. How can this pointer be reset to the beginning of the fi le? 2. Explain the concept...

1. Discuss the significance of the fi le offset pointer when a fi le is read by different fi le-handling functions. How can this pointer be reset to the beginning of the fi le?

2. Explain the concept of streams and their significance in I/O operations.

3. Specify the circumstances when the fopen function can fail.

4. How do fgets and the scan set of scanf treat the newline character?

5. Discuss the circumstances that determine whether to save data with or without delimiters separating the fields.