Password Privacy in C++

 #include<iostream>

#include<conio.h>

using namespace std;

void PasswordTaker();

int main()

{

PasswordTaker();

}

void PasswordTaker()

{

char cha[4];

int a=0;

cout<<"Enter Password\n";

while(cha[a-1]!='\r')

{

cha[a]=getch();

if(cha[a-1]!='\r')

{

cout<<"*";

}a++;

}cha[a-1]='\0';cout<<endl;

cout<<cha;

}