ft_strncmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gpiccion <gpiccion@student.42wolfsburg.    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/21 13:05:21 by gpiccion          #+#    #+#             */
/*   Updated: 2021/11/21 13:05:21 by gpiccion         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

// Compares the first (at most) 'n' bytes of 's1' and 's2'.
// Returns an int less than, equal to, or greater than zero if 's1' is found,
// respectively, to be less than, to match, or be greater than 's2'.
int	ft_strncmp(const char *str1, const char *str2, size_t n)
{
	unsigned int	i;

	i = 0;
	while ((str1[i] || str2[i]) && n--)
	{
		if (str1[i] != str2[i])
			return ((unsigned char)str1[i] - (unsigned char)str2[i]);
		i++;
	}
	return (0);
}