size_t ft_strlen(const char *str);

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

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