libft/ft_memcmp.c at main · 0xPacman/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ahjadani <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/02 12:45:09 by ahjadani          #+#    #+#             */
/*   Updated: 2021/11/12 13:51:43 by ahjadani         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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