Function gtk_sys::gtk_message_dialog_new_with_markup

pub unsafe extern "C" fn gtk_message_dialog_new_with_markup(
    parent: *mut GtkWindow, 
    flags: GtkDialogFlags, 
    type_: GtkMessageType, 
    buttons: GtkButtonsType, 
    message_format: *const c_char,
     ...
) -> *mut GtkWidget