qr               1346 src/number.c               ScmObj qr = Scm_BignumDivRem(SCM_BIGNUM(x), SCM_BIGNUM(y));
qr               1347 src/number.c               if (rem) *rem = SCM_CDR(qr);
qr               1348 src/number.c               return SCM_CAR(qr);