u16vector_add    3087 ext/uvector/uvector.c     u16vector_add("u16vector-add", d, SCM_OBJ(s0), s1, clamp);
u16vector_add    3093 ext/uvector/uvector.c     u16vector_add("u16vector-add!", SCM_OBJ(s0), SCM_OBJ(s0), s1, clamp);