libft/ft_memcmp.c at main · usefJoseph/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ychihab <ychihab@student.1337.ma>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/02 09:48:26 by ychihab           #+#    #+#             */
/*   Updated: 2022/10/24 08:16:44 by ychihab          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	unsigned char	*su1;
	unsigned char	*su2;

	su1 = (unsigned char *) s1;
	su2 = (unsigned char *) s2;
	while (n-- > 0)
	{
		if (*su1 != *su2)
			return (*su1 - *su2);
		su1++;
		su2++;
	}
	return (0);
}