remquo
#define remquo(x, y, z) __tg_impl_simple(x, x, y, remquol, remquo, \
double remquo(double, double, int *);
__weak_reference(remquo, remquol);
ATF_CHECK(isnan(remquo(x, y, &q)));
rem = remquo(x, y, &q);
double (remquo)(double x, double y, int *q) { n_double++; }
PASS_REAL_REAL_FIXED_ARG_REAL_RET(remquo, &i));