ext_nextref       110 sys/mbuf.h     	struct mbuf *ext_nextref;
ext_nextref       240 sys/mbuf.h     #define	MCLISREFERENCED(m)	((m)->m_ext.ext_nextref != (m))
ext_nextref       242 sys/mbuf.h     		(m)->m_ext.ext_nextref->m_ext.ext_prevref =		\
ext_nextref       244 sys/mbuf.h     		(m)->m_ext.ext_prevref->m_ext.ext_nextref =		\
ext_nextref       245 sys/mbuf.h     			(m)->m_ext.ext_nextref;				\
ext_nextref       249 sys/mbuf.h     		(n)->m_ext.ext_nextref = (o)->m_ext.ext_nextref;	\
ext_nextref       251 sys/mbuf.h     		(o)->m_ext.ext_nextref = (n);				\
ext_nextref       252 sys/mbuf.h     		(n)->m_ext.ext_nextref->m_ext.ext_prevref = (n);	\
ext_nextref       257 sys/mbuf.h     		(m)->m_ext.ext_nextref = (m);				\