/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gbaconni <gbaconni@42lausanne.ch>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/08/20 10:26:50 by gbaconni          #+#    #+#             */
/*   Updated: 2021/08/20 10:34:14 by gbaconni         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_abs.h"
#include <stdio.h>

static int	ft_atoi(char *str)
{
	int	nb;
	int	s;
	int	i;

	nb = 0;
	s = 1;
	i = 0;
	while (str[i] != '\0' && (str[i] == ' ' || (str[i] >= '\t' && str[i] <= '\r')))
		i++;
	while (str[i] != '\0')
	{
		if (str[i] == '+')
			s += 0;
		else if (str[i] == '-')
			s *= -1;
		else if (str[i] >= '0' && str[i] <= '9')
			nb = nb * 10 + str[i] - '0';
		else
			break ;
		i++;
	}
	return (nb * s);
}

int	main(int argc, char *argv[])
{
	int	n;

	if (argc > 1)
	{
		n = ft_atoi(argv[1]);
		printf("%d\n", ABS(n));
	}
	return (0);
}