void *ft_memmove(void *dest, const void *src, size_t n)
{
	unsigned char *constsrc;
	unsigned char *constdest;
	size_t i;


	constsrc=(unsigned char*)src;
	constdest=(unsigned char*)dest;
	if(dest==src)
		return dest;
	if(dest>src && src<dest+n)
	{
		constsrc=(unsigned char*)src+n-1;
		constdest=(unsigned char*)dest+n-1;
		while(n)
		{
			*constdest=*constsrc;
			constdest--;
			constsrc--;
			n--;
		}
	}
    	else
	{
		i=0;
		while(n)
		{
			constdest[i]=constsrc[i];
			i++;
			n--;
		}
	}
	return dest;
}