Function pool_realloc

examples/stdlib.c:2433–2436

    return calloc_impl(pool, nmemb, size, /*lock=*/true);
}
static void *pool_realloc(struct malloc_pool_s *pool, void *ptr, size_t size)
{
    return realloc_impl(pool, ptr, size, /*lock=*/true);
}
static void pool_free(struct malloc_pool_s *pool, void *ptr)
{
    free_impl(pool, ptr, /*lock=*/true);