ft_strcmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: psprawka <psprawka@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/07/04 12:04:03 by psprawka          #+#    #+#             */
/*   Updated: 2018/06/22 02:23:56 by psprawka         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int		ft_strcmp(char *s1, char *s2)
{
	int		i;

	i = 0;
	if (!s1 && !s2)
		return (0);
	if (!s1 || !s2)
		return (1);
	while (s1[i] || s2[i])
	{
		if ((s1[i] < s2[i]) || (s1[i] > s2[i]))
			return ((unsigned char)s1[i] - (unsigned char)s2[i]);
		i++;
	}
	return (0);
}