s16vector_sub    3780 ext/uvector/uvector.c     s16vector_sub("s16vector-sub", d, SCM_OBJ(s0), s1, clamp);
s16vector_sub    3786 ext/uvector/uvector.c     s16vector_sub("s16vector-sub!", SCM_OBJ(s0), SCM_OBJ(s0), s1, clamp);