libft/ft_memcmp.c at master · knzeng-e/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: knzeng-e <[email protected]>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2016/03/21 02:19:04 by knzeng-e          #+#    #+#             */
/*   Updated: 2016/03/21 02:37:42 by knzeng-e         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	unsigned char	*s1_;
	unsigned char	*s2_;

	s1_ = (unsigned char *)s1;
	s2_ = (unsigned char *)s2;
	while (n-- != 0)
	{
		if (*s1_ != *s2_)
			return (*s1_ - *s2_);
		s1_++;
		s2_++;
	}
	return (0);
}