/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tosuman <timo42@proton.me>                 +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/05/22 16:29:43 by tosuman           #+#    #+#             */
/*   Updated: 2023/06/02 19:59:48 by tischmid         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stddef.h>
#include <stdio.h>

int	ft_strncmp(char const *s1, char const *s2, size_t n)
{
	unsigned char	*us1;
	unsigned char	*us2;

	if (!n)
		return (0);
	us1 = (unsigned char *) s1;
	us2 = (unsigned char *) s2;
	while (*us1 && *us2 && *us1 == *us2 && --n)
	{
		us1++;
		us2++;
	}
	if (*us1 != *us2)
		return ((*us1 - *us2 != 0)
			* (-2 * (*us1 - *us2 < 0) + 1));
	return (0);
}