pkt = waitForAckHead(seqno); if (!isRunning()) { break;
pkt = waitForAckHead(seqno); if (!isRunning()) { break;
pkt = waitForAckHead(seqno); if (!isRunning()) { break;
pkt = waitForAckHead(seqno); if (!isRunning()) { break;
pkt = waitForAckHead(seqno); if (!isRunning()) { break;
pkt = waitForAckHead(seqno); if (!isRunning()) { break;