ft_strcmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: apuchill <apuchill@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/12/02 21:32:49 by apuchill          #+#    #+#             */
/*   Updated: 2020/10/30 19:57:21 by apuchill         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

/*
** LIBRARY: <string.h>
** SYNOPSIS: compare strings
**
** DESCRIPTION:
** 		The strcmp() and strncmp() functions lexicographically compare the null-
**	terminated strings s1 and s2.
*/

#include "libft.h"

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

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