fionread
data = fionread(sc->left[0]);
data = fionread(sc->left[1]);
data = fionread(sc->right[0]);
data = fionread(sc->right[1]);
ATF_TC_WITHOUT_HEAD(fionread);
ATF_TC_BODY(fionread, tc)
ATF_TP_ADD_TC(tp, fionread);