6. Which pre-defined function returns a pointer to the last occurence of a character in a string?
   

1. 1. strfchr(s, c);

   
   
   

   2. strlchr(s, c);

   
   
   

   3. strchr(s, c);

   
   
   

   4. strrchr(s, c);

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   strrchr(s, c);

---

7. String operation such as strcat(s, t), strcmp(s, t), strcpy(s, t) and strlen(s) heavily rely upon.
   

1. 1. Presence of any escape sequence

   
   
   

   2. Presence of NULL character

   
   
   

   3. Presence of new-line character

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Presence of NULL character

---

---

8. What type of return-type used in String operations?
   

1. 1. void and (char *) only

   
   
   

   2. void, int and (char *) only

   
   
   

   3. void only

   
   
   

   4. void and int only

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   void, int and (char *) only

---

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

   #include <stdio.h>
       int main()
       {
           char *s = "Interview, Mania";
           char s1[20] = "hello Interview Mania";
           strcpy(s, s1);
           printf("%s", s1);
       }
   

1. 1. Segmentation fault

   
   
   

   2. Compilation Error

   
   
   

   3. Interview, Mania

   
   
   

   4. hello Interview Mania

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Segmentation fault

---

---

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

    #include <stdio.h>
        #include <string.h>
        int main()
        {
            char *s = "hello, Interview, Mania";
            char s1[25];
            strncpy(s1, s, 25);
            printf("%s %d", s1, strlen(s1));
        }
    

1. 1. Segmentation fault

   
   
   

   2. Compilation Error

   
   
   

   3. Nothing

   
   
   

   4. hello, Interview, Mania 23

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   hello, Interview, Mania 23

---