A function that prints a string by using pointer arithmetic such as ++ptr to output each character should have a parameter that is:
A) A nonconstant pointer to nonconstant data.
B) A nonconstant pointer to constant data.
C) A constant pointer to nonconstant data.
D) A constant pointer to constant data.

Question

Quizplus · Accepted Answer

Since the function is intended to modify the output by incrementing the pointer, a nonconstant pointer is required. However, the data that the pointer points to should be constant since the function only prints the string and does not modify its contents.

A Function That Prints a String by Using Pointer Arithmetic