54 struct mbuf * m_gethdr(int how, short type);
55 struct mbuf * m_get(int how, short type);
57 void m_clget(struct mbuf *m, int how);
58 struct mbuf * m_getm2(struct mbuf *m, int len, int how, short type, int flags, int allonebuf);
59 struct mbuf *m_uiotombuf(struct uio *uio, int how, int len, int align, int flags);
67 #define	MGET(m, how, type)	((m) = m_get((how), (type)))  argument
68 #define	MGETHDR(m, how, type)	((m) = m_gethdr((how), (type)))  argument
69 #define	MCLGET(m, how)		m_clget((m), (how))  argument
345 #define	MBTOM(how)	(how)  argument
400 #define	M_PREPEND(m, plen, how) do {					\  argument
404 	int __mhow = (how);						\