void	*ft_calloc(size_t count, size_t size)
{
	char *ptrheap;

	while (count)
	{
		ptrheap = malloc(size);
		if (ptrheap == NULL)
			return (0);
		ft_memset(ptrheap, '\0', size);
		count--;
	}
	return ptrheap - count;
}