pub unsafe extern "C" fn gtk_im_context_delete_surrounding(
context: *mut GtkIMContext,
offset: c_int,
n_chars: c_int,
) -> gboolean
pub unsafe extern "C" fn gtk_im_context_delete_surrounding(
context: *mut GtkIMContext,
offset: c_int,
n_chars: c_int,
) -> gboolean