If you want to examine an input value without actually removing it from the input stream, you can apply a member function of cin to the variable ch, which you are to assume is a char type variable. Which of these does this task?

a. cin.get(ch);
b. cin.put(ch);
c. cin.peek(ch);
d. cin.putback(ch);

c)
Explanation: cin.peek(ch) returns the next character from the input stream without removing it from the input stream.