remquol
long double remquol(long double, long double, int *);
remquol, x, y, z)
LDBL_PROTO_NORMAL(remquol);
return (remquol(x, y, &quo));
DEF_STD(remquol);
DEF_STD(remquol);
ATF_CHECK(isnan(remquol(x, y, &q)));
rem = remquol(x, y, &q);