22 lines
487 B
C
22 lines
487 B
C
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/* file: queue.h -- definitions for queue manipulation routines. */
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#ifndef QUEUE_DEFINED
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#define QUEUE_DEFINED
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typedef struct qitem {
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struct qitem *next; /* this must always be first; can cast to any struct with this first */
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} Qitem;
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typedef struct queue {
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Qitem *front, *back;
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} Queue;
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int queue_init(Queue *q);
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int queue_empty(Queue *q);
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void queue_put(Queue *q, Qitem *new_item);
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Qitem *queue_get(Queue *q);
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#endif
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/* end file: queue.h */
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