SK_CAN_REUSE
s_listen->sk->sk_reuse = SK_CAN_REUSE; /* SO_REUSEADDR */
sock.socket->sk->sk_reuse = SK_CAN_REUSE; /* SO_REUSEADDR */
msock.socket->sk->sk_reuse = SK_CAN_REUSE; /* SO_REUSEADDR */
sk->sk_reuse = SK_CAN_REUSE;
sock->sk->sk_reuse = SK_CAN_REUSE;
sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE);
sk->sk_reuse = SK_CAN_REUSE;
sk->sk_reuse = SK_CAN_REUSE;
attempt_half = (sk->sk_reuse == SK_CAN_REUSE) ? 1 : 0;
sk->sk_reuse = SK_CAN_REUSE;
sock->sk->sk_reuse = SK_CAN_REUSE;
sock->sk->sk_reuse = SK_CAN_REUSE;
sock->sk->sk_reuse = SK_CAN_REUSE; /* allow address reuse */