ft_strncmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: esupatae <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/09/19 21:49:15 by esupatae          #+#    #+#             */
/*   Updated: 2019/09/19 21:49:17 by esupatae         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_strncmp(char *s1, char *s2, size_t n)
{
	size_t	i;

	i = 0;
	while (*s1 && *s2 && i < n)
	{
		if (*s1 != *s2)
			break ;
		s1++;
		s2++;
		i++;
	}
	if (i == n)
		return (0);
	return (*(unsigned char*)s1 - *(unsigned char*)s2);
}