31. what is the return value of fputs()?
    

1. 1. Non-negative if no error

   
   
   

   2. EOF if an error occurs

   
   
   

   3. Non-negative if no error & EOF if an error occurs

   
   
   

   4. char *fgets

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Non-negative if no error & EOF if an error occurs

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32. Which of the following is the right declaration for fgets() inside the library?
    

1. 1. int *fgets(char *line, FILE *fp);

   
   
   

   2. char *fgets(char *line, FILE *fp);

   
   
   

   3. int *fgets(char *line, int maxline, FILE *fp);

   
   
   

   4. char *fgets(char *line, int maxline, FILE *fp);

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   char *fgets(char *line, int maxline, FILE *fp);

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33. Which function has a return type as char pointer?
    

1. 1. fgets

   
   
   

   2. fputs

   
   
   

   3. getline

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   fgets

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34. Identify N library function for line input and output in the following C code?
    

    #include <stdio.h>
        int N(char *str, FILE *iop);
        {
            int ch;
            while (ch = *str++)
            putc(ch, iop);
            return ferror(iop) ? EOF : 0;
        }
    

1. 1. fputs

   
   
   

   2. fgets

   
   
   

   3. putc

   
   
   

   4. getc

   
   
   

   5. Compilation Error

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   Compilation Error

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35. What will be the output of the following C function when EOF returns?
    

    int fputs(char *line, FILE *fp)
    

1. 1. ‘t’ character in array line is encountered

   
   
   

   2. ‘�’ character of array line is encountered

   
   
   

   3. When an error occurs

   
   
   

   4. ‘n’ character in array line is encountered

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   When an error occurs

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