ft_memcpy.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcpy.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kokada <kokada@student.42tokyo.jp>         +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/05/18 16:31:41 by kokada            #+#    #+#             */
/*   Updated: 2023/05/20 15:34:11 by kokada           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

void	*ft_memcpy(void *restrict dst, const void *restrict src, size_t n)
{
	unsigned char	*dst_cpy;
	unsigned char	*src_cpy;

	dst_cpy = (unsigned char *)dst;
	src_cpy = (unsigned char *)src;
	if (dst == NULL && src == NULL)
		return (NULL);
	while (n)
	{
		dst_cpy[n - 1] = src_cpy[n - 1];
		n--;
	}
	return (dst);
}