SOL_FILTER
if (pr_getsockopt(Pr, fd, SOL_FILTER, FIL_LIST, fi, &len) != 0)
if (SOP_GETSOCKOPT(so, SOL_FILTER, FIL_LIST,
if (SOP_GETSOCKOPT(so, SOL_FILTER, FIL_LIST,
if (level == SOL_FILTER)
if (level == SOL_FILTER)