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C File Handling Quiz

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Questions and Answers

What is the purpose of the feof() function in C when dealing with file pointers?

To check if the end-of-file indicator associated with the file pointer has been set (correct)

To move the file pointer to the end of the file

To retrieve the current position of the file pointer

To close the file associated with the file pointer

Which of the following is the correct way to move the file pointer to the beginning of a file in C?

rewind(filePointer);

fsetpos(filePointer, 0);

fseek(filePointer, 0, SEEK_SET); (correct)

fseek(filePointer, 0, SEEK_CUR);

Which function in C is used to check if the end-of-file indicator is set for a file?

clearerr()

ferror()

feof() (correct)

remove()

What does the fseek() function do in C?

Moves the file pointer to a specified location in the file Signup and view all the answers

In C, which function is used to write a single character to a file?

fputc() Signup and view all the answers

What is the purpose of the rewind() function in C when dealing with file pointers?

Sets the file position indicator to the beginning of the file Signup and view all the answers

Study Notes

feof() Function

Determines if the end-of-file (EOF) indicator for a file stream is set.
Returns a non-zero value if the EOF is reached; otherwise, returns 0.

Moving File Pointer to Beginning

To reset the file pointer to the beginning of a file, use the function fseek(filePointer, 0, SEEK_SET);.
Alternatively, rewind(filePointer); can also achieve this, positioning the file pointer at the start.

Function to Check EOF Indicator

The function used to check if the EOF indicator is set is feof(filePointer);.

fseek() Function

Used to reposition the file pointer to a specified location within a file.
Takes three arguments: file pointer, offset (number of bytes), and whence (starting point for the offset).

Writing a Character to a File

The function to write a single character to a file is fputc(character, filePointer);.
Outputs the specified character to the file identified by the file pointer.

rewind() Function

Resets the file pointer back to the beginning of a file.
Also clears the EOF indicator, allowing fresh read operations from the start of the file.

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Description

Test your knowledge of file handling in C with this quiz. Explore topics such as moving the file pointer, using the feof() function, and writing characters to a file. Perfect for C programmers looking to enhance their file handling skills.