BasicExcel - How do I store cell data as a variable?

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C++

I am writing a program using BasicExcel...I need to access data from an excel file and store it as a variable.

I've been trying to store the data with the following:

char str = cell->GetString();

This returns error C2440: 'initializing' : cannot convert from 'const char *' to 'char'

Here is the BasicExpress code...where do I add an additional function?:

static void example_read_write(char* from, char* to)
{
	cout << "read " << from << endl;
	BasicExcel xls(from);
	XLSFormatManager fmt_mgr(xls);
	BasicExcelWorksheet* sheet = xls.GetWorksheet((size_t)0);
	CellFormat fmt_general(fmt_mgr);
	fmt_general.set_format_string(XLS_FORMAT_GENERAL);
	
	for(int y=0; y<33; ++y) {
		for(int x=1; x<2; ++x) 
		{
			cout << y << "/" << x;		
			BasicExcelCell* cell = sheet->Cell(y, x);        
			CellFormat fmt(fmt_mgr, cell);			
//			cout << " - xf_idx=" << cell->GetXFormatIdx();
			const Workbook::Font& font = fmt_mgr.get_font(fmt);
			string font_name = stringFromSmallString(font.name_);
			cout << "  font name: " << font_name;
			const wstring& fmt_string = fmt.get_format_string();
			cout << "  format: " << narrow_string(fmt_string) << " ";			
			
			cell->SetFormat(fmt_general);
			cout << setw(10) << *(sheet->Cell(y,x)) << endl;						
		}		
	}	
	cout << "write: " << from << endl;
	xls.SaveAs(to);
}

How do I store sheet->Cell(y,x) as variable...