/* Basic message buffer structure */
struct mbuf {
	struct mbuf *next;	/* Links mbufs belonging to single packets */
	struct mbuf *anext;	/* Links packets on queues */
	char *data;		/* Active working pointers */
	int16 cnt;
};
#define	NULLBUF	(struct mbuf *)NULL
void enqueue(),hexdump(),asciidump();
struct mbuf *alloc_mbuf(),*free_mbuf(),*dequeue(),*copy_p(),*free_p(),*qdata();
int16 pullup(),append(),dup_p(),len_mbuf(),dqdata(),len_q();