div              1213 src/number.c               ScmObj div = Scm_BignumDivSI(SCM_BIGNUM(arg0),
div              1221 src/number.c               if (SCM_NULLP(args)) return div;
div              1222 src/number.c               return Scm_Divide(div, SCM_CAR(args), SCM_CDR(args));