I need their not to be a class linked List and should just have a pointer to the class within the Phone #include stdlib.h

#include iostream

using namespace std;

class Phone $\{$

public:

int Area$\_$code;

int exchange;

int number;

bool unlisted;

Phone $*$next;

Phone$()\{$

this$->$Area$\_$code$=0$;

this$->$exchange$=0$;

this$->$number$=0$;

this$->$unlisted$=$false;

$\}$

Phone$($int area,int exc, int num, bool unlist$)\{$

this$->$Area$\_$code$=$area;

this$->$exchange$=$exc;

this$->$number$=$num;

this$->$unlisted$=$unlist;

$\}$

void setPhone$($int area,int exc, int num, bool unlist$)\{$

this$->$Area$\_$code$=$area;

this$->$exchange$=$exc;

this$->$number$=$num;

this$->$unlisted$=$unlist;

$\}$

void pntPhone$()\{$

cout$<<"$

$(">$code;

if$($code$!=555)\{$

if$($code$<0||$ code$>999)\{$

cout$<<"$

Invalid input";

return $1$;

$\}$

cout$<<"$

Enter the Exchange:";

cin$>>$exc;

if$($exc$<0||$ exc$>999)\{$

cout$<<"$

Invalid input";

return $1$;

$\}$

cout$<<"$

Enter the number:";

cin$>>$num;

if$($num$<0||$ num$>9999)\{$

cout$<<"$

Invalid input";

return $1$;

$\}$

cout$<<"$

Is number unlisted: $($true: $1,$false:$0)"$;

cin$>>$unlist;

p$[$i$].$setPhone$($code$,$exc,num,unlist$)$;

a$.$addPhone$($p$[$i$])$;

i$++$;

$\}$

$\}$

while$($code$!=555)$;

for$($int j$=0$;j