ft_memcmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ysaito <ysaito@student.42tokyo.jp>         +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/06/27 17:40:53 by ysaito            #+#    #+#             */
/*   Updated: 2021/11/01 20:52:53 by ysaito           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	const unsigned char	*str1;
	const unsigned char	*str2;

	str1 = (const unsigned char *)s1;
	str2 = (const unsigned char *)s2;
	while (n-- > 0)
	{
		if (*str1 != *str2)
			return (*str1 - *str2);
		str1++;
		str2++;
	}
	return (0);
}