The ________ command displays a preview of how the document will print before sending it to the printer

Given that a typedef for IntPtr defines a pointer to an integer, what would be the correct declaration for a function that expects a reference to an integer pointer?

a. void f1 (IntPtr& ptr); b. void f1 (IntPtr&* ptr); c. void f1 (IntPtr*& ptr); d. All of the above

Which of the following is a formula to search for an item in a linked list?

a. O(log n) b. O(2?) c. O(n) d. O(1)