th_block
tp->th_block = htons((u_short)block);
pkt->th_block = htons((u_short)block);
pkt->th_block = ntohs((u_short)pkt->th_block);
if (rp->th_block == window[i].block)
rp->th_block);
if (rp->th_block == *block)
if (rp->th_block > windowstart &&
rp->th_block < *block) {
rp->th_block);
*block, rp->th_block);
*block == rp->th_block) /* then my last ack was lost */
wtail = (char *)&wbuf.t.th_block;
wbuf.t.th_block = htons(block);
block = ntohs(t->th_block);
wtail = (char *)&wbuf.t.th_block;
wbuf.t.th_block = htons((u_short)h->currblock);