Ошибка "expected primary-expression before 'char'" при объявления переменной

#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
 
void loginANDpassword(char*);
bool login();
 
int main()
{
    loginANDpassword(char*);
    bool login();
    return 0;
}
void loginANDpassword(char* login)
{
    login[80];char password[80];
    cout<<"Hello! If you want to registration, please enter the number 3.\n";
    int a;
    cin>>a;
    while(a!=3)
    {
        cout<<"It's not correct, please enter the number 3.\n\n";
        cin>>a;
    }
    if(a=3)
    {
        cout<<"In this line you can enter your Login.";
        cout<<"\nThink of a Login: ";
        cin>>login;
        cout<<"Your Login: "<<login;
        
    }
    cout<<"Now think of a password: ";
    cin>>password;
    cout<<"Your Password: "<<password;
    
}
bool login()
{
    char login;
    char enterLogin[80];
    cout <<"Enter the Login: ";
    gets(enterLogin);
    if(strcmp(enterLogin,&login))
    {
        cout<<"The entered Login is not correct.\n";
        return false;
    }
    return true;
}

#include <iostream>
#include <cstring>
#include <cstdio>
#include <stdlib.h>
using namespace std;
 
void loginANDpassword(char*,char*);
bool loginANDpassword_check(char const* login,char const* password);
void menu();
void miniatureFeature();
int main()
{
    cout<<"Version 1.3\n";
    miniatureFeature();
    return 0;
}
void loginANDpassword(char* login, char* password)
{
    cout<<"In this line you can enter your Login.";//???? ??????? ????? 3, ?????????? ??.. ? ???? ??????.
    cout<<"\nThink of a Login: ";
    cin>>login;
    cout<<"Your Login: "<<login;
    cout<<"\nNow think of a password: ";
    cin>>password;
    cout<<"Your Password: "<<password;//?????????? ??????
    
}
bool loginANDpassword_check(char const* login,char const* password)
{
    char enterLogin[80];
    cout <<"\nEnter the Login: ";
    cin>>enterLogin;
    char enterPassword[80];
    cout <<"\nEnter the password: ";
    cin>>enterPassword;
    if(strcmp(enterLogin,login)||strcmp(enterPassword,password))
    {
        cout<<"The entered login or password is not correct.";
        return true;
    }
    return false;
}
 
void menu()
{
    int choice;
    char bLogin[80];
    char bPassword[80];
    cout<<"\tWelcome in the our world!!!\n";
    cout<<"1.Registration\n";
    cout<<"2.Exit\n";
    
    cout<<"Enter the number (1 or 2): ";
    cin>> choice;
    switch(choice)
    {
        case 1:loginANDpassword(bLogin, bPassword);
        case 2:exit(0);
    }
}
void miniatureFeature()
{
    menu();
    char arrlogin[80];
    char arrPassword[80];
    loginANDpassword(arrlogin,arrPassword);
    loginANDpassword_check(arrlogin,arrPassword);
}