Problem

Define addition and subtraction for StrBlobPtr so that these operators implement pointer a...

Define addition and subtraction for StrBlobPtr so that these operators implement pointer arithmetic (§ 3.5.3, p. 119).

§ 3.5.3 (p. 119)

Exercise 3.34

Given that p1 and p2 point to elements in the same array, what does the following code do? Are there values of p1 or p2 that make this code illegal?

p1 += p2 - p1;

Exercise 3.35

Using pointers, write a program to set the elements in an array to zero.

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