/*
**********************************************************************
* HISTORY
* 06-Mar-80 Rick Rashid (rfr) at Carnegie-Mellon University
* Created (V1.05).
*
**********************************************************************
*/
/*
* General purpose structure to define circular queues.
* Both the queue header and the queue elements have this
* structure.
*/
struct Queue
{
struct Queue * F;
struct Queue * B;
};
extern struct Queue *dequeue();