pub unsafe extern "C" fn gtk_text_view_move_mark_onscreen(
text_view: *mut GtkTextView,
mark: *mut GtkTextMark,
) -> gboolean
pub unsafe extern "C" fn gtk_text_view_move_mark_onscreen(
text_view: *mut GtkTextView,
mark: *mut GtkTextMark,
) -> gboolean