queue.h

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#ifndef __LIBQUEUE_H
#define __LIBQUEUE_H
 
/* libc */
#include <stdbool.h>
#include <sys/types.h>
 
typedef struct queue_node_t {
    void* value; 
    struct queue_node_t* next; 
} queue_node_t;
 
typedef struct {
    u_int32_t size; 
    queue_node_t* head; 
    queue_node_t* tail; 
} queue_t;
 
void queue_new(queue_t *queue);
 
/* CRUD */
 
void queue_push(queue_t *queue, void *value);
 
void* queue_pop(queue_t *queue);
 
void* queue_front(queue_t *queue);
 
void* queue_back(queue_t *queue);
 
bool queue_empty(queue_t *queue);
 
void queue_free(queue_t *queue);
 
#endif