s = scm_cdr (s))
{
if (scm_is_pair (scm_car (s))
- && unsmob_grob (scm_cdar (s)) == next_col
- && unsmob_spring (scm_caar (s)))
- spring = unsmob_spring (scm_caar (s));
+ && Grob::unsmob (scm_cdar (s)) == next_col
+ && Spring::unsmob (scm_caar (s)))
+ spring = Spring::unsmob (scm_caar (s));
}
if (!spring)