libft/ft_strncmp.c at master · wphylici/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: wphylici <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/05/11 13:26:22 by wphylici          #+#    #+#             */
/*   Updated: 2020/05/16 22:20:44 by wphylici         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_strncmp(const char *s1, const char *s2, size_t n)
{
	size_t			i;
	unsigned char	*str1;
	unsigned char	*str2;

	i = 0;
	str1 = (unsigned char *)s1;
	str2 = (unsigned char *)s2;
	while (i < n)
	{
		if (str1[i] != str2[i] || str1[i] == '\0')
			return (str1[i] - str2[i]);
		i++;
	}
	return (0);
}