text: #include "xlsxwriter.h"
  
  int main() 
  {
      /* Create a new workbook and add a worksheet. */
      lxw_workbook  *workbook  = workbook_new("demo.xlsx");
      lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
  
      /* Add a format. */
      lxw_format *format = workbook_add_format(workbook);
  
      /* Set the bold property for the format */
      format_set_bold(format);
  
      /* Change the column width for clarity. */
      worksheet_set_column(worksheet, 0, 0, 20, NULL);
  
      /* Write some simple text. */
      worksheet_write_string(worksheet, 0, 0, "Hello", NULL);
  
      /* Text with formatting. */
      worksheet_write_string(worksheet, 1, 0, "World", format);
  
      /* Write some numbers. */
      worksheet_write_number(worksheet, 2, 0, 123,     NULL);
      worksheet_write_number(worksheet, 3, 0, 123.456, NULL);
  
      workbook_close(workbook);
  
      return 0;
  }
  