Function m_catpkt

freebsd/kern/uipc_mbuf.c:772–783

* Concatenate two pkthdr mbuf chains. */

 * Concatenate two pkthdr mbuf chains.
 */
void
m_catpkt(struct mbuf *m, struct mbuf *n)
{

	M_ASSERTPKTHDR(m);
	M_ASSERTPKTHDR(n);

	m->m_pkthdr.len += n->m_pkthdr.len;
	m_demote(n, 1, 0);

	m_cat(m, n);
}

void
m_adj(struct mbuf *mp, int req_len)