int *ptNum = &miles; is ____.
A)always valid
B)never valid
C)only valid if miles is declared as an integer variable before ptNum is declared
D)only valid if miles is declared as an array of integers before ptNum is declared

Question

Quizplus · Accepted Answer

This statement is only valid if "miles" is declared as an integer variable before "ptNum" is declared, as "ptNum" is a pointer to an integer and thus can only store the address of an integer variable.

Int *PtNum = &Miles; Is ____