libft/ft_strcmp.c at master · devwithmike/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mimeyer <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/05/19 11:54:26 by mimeyer           #+#    #+#             */
/*   Updated: 2019/05/24 10:36:41 by mimeyer          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

int						ft_strcmp(const char *s1, const char *s2)
{
	int					i;
	unsigned const char	*str1;
	unsigned const char	*str2;

	i = 0;
	str1 = (unsigned const char *)s1;
	str2 = (unsigned const char *)s2;
	while (str1[i] == str2[i] && str1[i] != '\0' && str2[i] != '\0')
		i++;
	return (str1[i] - str2[i]);
}