#include <iostream.h>
using namespace std;
class Dummy{
char Name[256];
void setName(char nam){Name=nam;}
};
 
int main(){
char[256] temp;
cout << "Name?\n";
cin >>  temp;
setName(temp);
}

Dummy dum;
dum.setName(temp);

#include <iostream>      // <iostream> is standard, <iostream.h> is not
#include <cstring>        //   need functions to work with C strings

using namespace std;
class Dummy{
char Name[256];

public:    // for main() to use a member function, it must be public
void setName(char *nam)       // arrays are passed to function as pointers
    {strcpy(Name, nam);}   // and char arrays are copied using string functions like strcpy()
};

int main(){
char temp[256];           //   the declaration char [256] temp is invalid
cout << "Name?\n";
cin >>  temp;
Dummy some_object;   //  non-static member functions act on objects
some_object.setName(temp);  // this is how non-static member functions act on objects
}

char getName(){return *Name;}