pub unsafe extern "C" fn workbook_get_worksheet_by_name(
workbook: *mut lxw_workbook,
name: *const c_char
) -> *mut lxw_worksheet
pub unsafe extern "C" fn workbook_get_worksheet_by_name(
workbook: *mut lxw_workbook,
name: *const c_char
) -> *mut lxw_worksheet