ft_memcpy.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcpy.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tpouget <cassepipe@ymail.com>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/05/14 17:04:37 by tpouget           #+#    #+#             */
/*   Updated: 2020/05/26 15:44:13 by tpouget          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>

void	*ft_memcpy(void *dest, const void *src, size_t n)
{
	size_t			i;
	unsigned char	*d;
	unsigned char	*s;

	i = 0;
	d = (unsigned char*)dest;
	s = (unsigned char *)src;
	if (!d && !s)
		return (NULL);
	while (i < n)
	{
		d[i] = s[i];
		i++;
	}
	return (dest);
}

/*
#include  <unistd.h>
#include <string.h>
int main(void)
{

	char arr[] = "Hello";

	ft_memcpy(arr, "World", 3);
	write(1, arr, sizeof arr);
	write(1, "\n",  1);

	return 0;
}
*/