C File Handling Test - 3

1. What is the purpose of the C function?

int ferror(FILE *fp)

They check for error in accessing the file

They check for output errors

They check for all types of errors

They check for input errors

2. What is the purpose of the C function?

int ferror(FILE *fp)

They check for input errors

They check for output errors

They check for all types of errors

They check for error in accessing the file

3. stderr is similar to?

None of the mentioned

stdin

Both stdout and stdin

stdout

4. What will be the output of the following C statement?

fprintf(stderr, "error: could not open filen");

The program is immediately aborted

The line which caused error is compiled again

The diagnostic output is directly displayed in the output

The diagnostic output is pipelined to the output file

5. Which of the following function can be used to terminate the main() function from another function safely?

exit(expr);

both exit(expr); and abort();

return(expr);

abort();

6. Which of the following causes an error?

Trying to read a file that doesn't exist

Failure to allocate memory with the help of malloc

Inability to write data in a file

All of the mentioned

7. Which of the following causes an error?

Inability to write data in a file

Trying to read a file that doesn't exist

All of the mentioned

Failure to allocate memory with the help of malloc