libft/srcs/ft_strncmp.c at main · abdeleb/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: marvin <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/19 18:56:37 by marvin            #+#    #+#             */
/*   Updated: 2022/05/19 18:57:00 by marvin           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	i = 0;
	if (n == 0)
		return (0);
	while (i < (n - 1) && str1[i] && str2[i] && str1[i] == str2[i])
		i++;
	return ((unsigned char)str1[i] - (unsigned char)str2[i]);
}

/*int main()
{
    char str1[15];
    char str2[15];
    int ret;

    strcpy(str1, "abc4defff");
    strcpy(str2, "abcdef");

    ret = ft_strncmp(str1, str2, 4);

    if (ret < 0)
    {
        printf("str1 is less than str2");
    }
    else if (ret > 0)
    {
        printf("str2 is less than str1");
    }
    else
    {
        printf("str1 is equal to str2");
    }

    return (0);
}*/