SBLASTRECORDCHK(sb, "sbappend 2");
sbappend(sb, m)	struct sockbuf *sb;	struct mbuf *m;{	register struct mbuf *n;	if (m == 0)		return;	if ((n = sb->sb_mb) != NULL) {		while (n->m_nextpkt)			n = n->m_nextpkt;		do {			if (n->m_flags & M_EOR) {				sbappendrecord(sb, m); /* XXXXXX!!!! */				return;			}		} while (n->m_next && (n = n->m_next));	}	sbcompress(sb, m, n);}