Function qsort_partition

examples/stdlib.c:5637–5653

    memcpy(b, tmp, size);
}
static size_t qsort_partition(uint8_t *base, size_t size, ssize_t lo,
    ssize_t hi, int (*compare)(const void *, const void *))
{
    uint8_t *pivot = base + size * hi;
    ssize_t i = lo - 1;
    for (ssize_t j = lo; j < hi; j++)
    {
        if (compare(base + size * j, pivot) <= 0)
        {
            i++;
            qsort_swap(base + size * i, base + size * j, size);
        }
    }
    i++;
    qsort_swap(base + size * i, pivot, size);
    return i;
}
static void qsort_2(uint8_t *base, size_t size, ssize_t lo, ssize_t hi,
    int (*compare)(const void *, const void *))
{