unwrap_rec        260 src/compaux.c          ca = unwrap_rec(SCM_CAR(form), newh);
unwrap_rec        261 src/compaux.c          cd = unwrap_rec(SCM_CDR(form), newh);
unwrap_rec        276 src/compaux.c              elt = unwrap_rec(*pelt, newh);
unwrap_rec        285 src/compaux.c                      SCM_VECTOR_ELEMENT(newvec, j) = unwrap_rec(*pelt, newh);
unwrap_rec        297 src/compaux.c      return unwrap_rec(form, SCM_NIL);