Secuil Konversi int to string to char

#include <iomanip>
#include <locale>
#include <sstream>
#include <string.h>

void rupiah(){
ostringstream convert;
convert<<totalHarga;
hargaTotal=convert.str();
const char* hargatotal=hargaTotal.c_str();
    for(int kounter=0;kounter<strlen(hargatotal);kounter++){
    konversi[strlen(hargatotal)-kounter-1]=hargatotal[kounter];
    }
        for(int kounter=strlen(hargatotal)-1;kounter>=0;kounter--){
        cout<<konversi[kounter];
        if(kounter%3==0){
            if(kounter!=0){
            cout<<".";
            }
        }
    }
}