Initial revision

mach/proto/top/queue.h

@@ -0,0 +1,12 @@
+typedef struct item *item_p;
+typedef struct queue_t *queue;
+
+struct queue_t {
+	instr_p	head;
+	instr_p	tail;
+	int	qlen;
+};
+
+#define qhead(q)	(q)->head
+#define qlength(q)	(q)->qlen
+#define next(x)		(x)->fw