s32vector_sub    3934 ext/uvector/uvector.c     s32vector_sub("s32vector-sub", d, SCM_OBJ(s0), s1, clamp);
s32vector_sub    3940 ext/uvector/uvector.c     s32vector_sub("s32vector-sub!", SCM_OBJ(s0), SCM_OBJ(s0), s1, clamp);