1. What will be the output of the following C code?
   

   #include <stdio.h>
       int main()
       {
           FILE *fp = stdout;
           stderr = fp;
           fprintf(stderr, "%s", "Interveiw Mania");
       }
   

1. 1. Undefined behaviour

   
   
   

   2. Garbage value

   
   
   

   3. Interveiw Mania

   
   
   

   4. Compilation Error

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Interveiw Mania

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2. What happens when we use the following C statement?
   

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

1. 1. The diagnostic output is pipelined to the output file

   
   
   

   2. The program is immediately aborted

   
   
   

   3. The diagnostic output is directly displayed in the output

   
   
   

   4. The line which caused error is compiled again

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The diagnostic output is directly displayed in the output

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3. stderr is similar to?
   

1. 1. stdout

   
   
   

   2. stdin

   
   
   

   3. both stdin and stdout

   
   
   

   4. scanf

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   stdin

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

    #include <stdio.h>
       int main()
       {
           char buff[25];
           stderr = stdin;
           fscanf(stderr, "%s", buff);
           printf("%s\n", buff);
       }
   

1. 1. Whatever user types

   
   
   

   2. Compilation error

   
   
   

   3. Undefined behaviour

   
   
   

   4. Nothing

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Whatever user types

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5. Within main, return expr statement is equivalent to ________
   

1. 1. exit(expr)

   
   
   

   2. ferror(expr)

   
   
   

   3. abort(expr)

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   exit(expr)

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