Переведи код ниже с C на человеческий:
```c
void pa_queue_push(pa_queue *q, void *p) {
    struct queue_entry *e;

    pa_assert(q);
    pa_assert(p);

    if (!(e = pa_flist_pop(PA_STATIC_FLIST_GET(entries))))
        e = pa_xnew(struct queue_entry, 1);

    e->data = p;
    e->next = NULL;

    if (q->back) {
        pa_assert(q->front);
        q->back->next = e;
    } else {
        pa_assert(!q->front);
        q->front = e;
    }

    q->back = e;
    q->length++;
}
```
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