__SK_NONE
psock->eval = __SK_NONE;
if (psock->eval == __SK_NONE) {
eval = __SK_NONE;
psock->eval = __SK_NONE;
psock->eval = __SK_NONE;
psock->eval = __SK_NONE;
if (psock->eval == __SK_NONE) {
psock->eval = __SK_NONE;