Chapter 10.5, Problem 10.8CP

For each of the following variable definitions, determine whether the statement is valid or invalid. For those that are invalid, explain why.

A) int ivar;

int *i ptr = &ivar;

B) int ivar, *iptr = &ivar;

C) float fvar;

D) int *iptr = &fvar;

int nums[50], *iptr = nums;

E) int *iptr = &ivar;

int ivar;