sbdroprecord(sb) register struct sockbuf *sb;
sbdroprecord(struct sockbuf *sb)
sbdroprecord(sb)	register struct sockbuf *sb;{	register struct mbuf *m, *mn;	m = sb->sb_mb;	if (m) {		sb->sb_mb = m->m_nextpkt;		do {			sbfree(sb, m);			MFREE(m, mn);		} while ((m = mn) != NULL);	}}