Function qsort_swap

examples/stdlib.c:5630–5636

/****************************************************************************/

static void qsort_swap(void *a, void *b, size_t size)
{
    uint8_t tmp[size];
    memcpy(tmp, a, size);
    memcpy(a, b, size);
    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 *))
{