Libft/ft_memcmp.c at master · byrd92/Libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: egarcia- <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/11/08 15:26:18 by egarcia-          #+#    #+#             */
/*   Updated: 2019/11/08 15:27:31 by egarcia-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	unsigned char	*cs1;
	unsigned char	*cs2;
	int				i;

	i = 0;
	cs1 = (unsigned char*)s1;
	cs2 = (unsigned char*)s2;
	while (n-- > 0)
	{
		if (cs1[i] != cs2[i])
			return (cs1[i] - cs2[i]);
		i++;
	}
	return (0);
}