int convertCSVtoBinary()
{    
    FILE* csvFile;
    FILE* binFile;
    
    csvFile=fopen("records.csv","r");
    binFile=fopen("records.dat","wb");
    
    if(csvFile == NULL){
        printf("Couldn't open CSV file\n");
        return 1;
    }

    char row[1024];
    while(fgets(row, 1024, csvFile)){
        Person p;
        int attributeCount = sscanf(row, "%[^,],%[^,],%[^,],%[^,],%[^,],%[^,],%[^,],%[^,],%[^,],%[^,],%d,%[^\n]", 
        p.name, p.surname, p.gender, p.occupancy, p.level_of_education, p.email,
        p.bank_account_number, p.IBAN, p.account_type, p.currency_unit, p.total_balance_available, p.available_for_loan); 
        
        if (attributeCount != 12){
            printf("problemli satir.\n");
        }
        else{
            fwrite(&p, sizeof(p), 1, binFile);
        }
    }

    fclose(binFile);
    fclose(csvFile);

    return 0;
}