ft_strncmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: aazeroua <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/04/02 20:15:50 by aazeroua          #+#    #+#             */
/*   Updated: 2019/04/21 04:22:40 by aazeroua         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int		ft_strncmp(const char *s1, const char *s2, size_t n)
{
	unsigned char	*a;
	unsigned char	*b;

	a = (unsigned char *)s1;
	b = (unsigned char *)s2;
	if (!n)
		return (0);
	while (--n && *a && *b)
	{
		if (*a == *b)
		{
			a++;
			b++;
		}
		else
			return (*a - *b);
	}
	return (*a - *b);
}