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#ifndef QUEUE_H
#define QUEUE_H
#include "types.h"
typedef struct QueueElem_ {
struct QueueElem_ *p_next;
void *p_val;
TYPE type;
} QueueElem;
typedef struct {
QueueElem *p_first;
QueueElem *p_last;
unsigned i_size;
} Queue;
typedef struct {
unsigned i_left;
Queue *p_queue;
QueueElem *p_current;
QueueElem *p_next;
} QueueIter;
Queue *queue_new();
QueueElem *queueelem_new();
QueueElem *queueelem_new_t(TYPE type);
_Bool queue_empty(Queue *p_queue);
void queue_push(Queue *p_queue, void *p_val);
void queue_push_t(Queue *p_queue, void *p_val, TYPE type);
void *queue_pop(Queue *p_queue);
void *queue_pop_t(Queue *p_queue, TYPE *p_type);
void queue_clear(Queue *p_queue);
void queue_delete(Queue *p_queue);
unsigned queue_size(Queue *p_queue);
void queue_iterate(Queue *p_queue, void (*func)(void *));
void queue_iterate_t(Queue *p_queue, void (*func)(void *, TYPE));
void queue_iterate_tl(Queue *p_queue, void (*func)(void *, TYPE, _Bool));
QueueIter *queueiter_new(Queue *p_queue);
void queueiter_delete(QueueIter *p_iter);
void *queueiter_next(QueueIter *p_iter);
void *queueiter_next_t(QueueIter *p_iter, TYPE *p_type);
unsigned queueiter_left(QueueIter *p_iter);
Queue *queueiter_queue(QueueIter *p_iter);
#endif
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