Implement decrypt$\_$chunks$().$ Loop over each string in the array

$//$ and shift the characters in it by subtracting DECRYPTION$\_$SHIFT value

$//$ from them. Use pointer arithmetic to access individual characters

but

$//$ array access to the strings. Remember that C$-$style strings have a

null

$//$ terminator at the end. Do not apply the shift to the terminator.

$//($Hint: to avoid doing double pointer arithmatic, save a char$*$

pointer

$//$ to the active chunk$[?]$ in the outer loop but before the inner

loop.

$//$ Then the inner loop is only concerned with a single array of

$//$ characters rather than an array of strings.