libft/ft_memcmp.c at master · steffenparth/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sparth <sparth@student.42heilbronn.de>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/10/10 09:44:30 by sparth            #+#    #+#             */
/*   Updated: 2023/10/16 14:49:56 by sparth           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_memcmp(const void	*s1, const void	*s2,	size_t	n)
{
	unsigned char	*string1;
	unsigned char	*string2;
	size_t			i;

	string1 = (unsigned char *) s1;
	string2 = (unsigned char *) s2;
	i = 0;
	while (i < n)
	{
		if (string1[i] != string2[i])
			return (string1[i] - string2[i]);
		i++;
	}
	return (0);
}

// int main()
// {
// 	char string1 [] = "Helloo";
// 	char string2 [] = "Hello";
// 	printf("%d", memcmp(string1, string2, 6));
// 	return (0);
// }