C program to defines a generic type for queues

C program to defines a generic type for queues

How to write a C program to defines a generic type for queues in C Programming Language ?

This C program defines a generic type for queues.

Solution:

  1. /* This C program defines a generic type for queues. */
  2. #ifndef QUEUE_H
  3. #define QUEUE_H
  4.  
  5. #include <stdio.h>
  6. #include <stdlib.h>
  7. #include <stdbool.h>
  8.  
  9. typedef struct Queue Queue;
  10. typedef int Queueelem;
  11.  
  12. Queue *queue_new(unsigned long queue_size);
  13. bool queue_is_empty(const Queue *q);
  14. void queue_add(Queue *q, Queueelem elem);
  15. Queueelem queue_get(Queue *q);
  16. void queue_show(const Queue *q);
  17. void queue_delete(Queue *q);
  18.  
  19. #endif


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