msg_hdr_sz
skb_pull(frag, msg_hdr_sz(msg));
hsz = msg_hdr_sz(buf_msg(skb));
int mhsz = msg_hdr_sz(mhdr);
hlen = msg_hdr_sz(_hdr);
memcpy((*skb)->data, _skb->data, msg_hdr_sz(_hdr));
hdr_len = skb_headroom(skb) + msg_hdr_sz(buf_msg(skb));
return msg_size(m) - msg_hdr_sz(m);
return ((unchar *)m) + msg_hdr_sz(m);
return msg_hdr_sz(m) == SHORT_H_SIZE;
hlen = skb_headroom(skb) + msg_hdr_sz(hdr);
tsk->snt_unacked = tsk_inc(tsk, dlen + msg_hdr_sz(hdr));
hlen = msg_hdr_sz(hdr);
hlen = msg_hdr_sz(hdr);
i += scnprintf(buf + i, sz - i, " %u", msg_hdr_sz(hdr));