/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/03/06 16:25:27 by dkaiser           #+#    #+#             */
/*   Updated: 2024/03/06 19:41:51 by dkaiser          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

int	ft_atoi(const char *str)
{
	int	result;
	int	i;
	int	posneg;

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

/* #include <stdio.h> */
/* #include <stdlib.h> */
/* int main() { */
/*     char str[] = "         -42eaeouai"; */
/*     printf("atoi: %d\n", atoi(str)); */
/*     printf("ft_atoi: %d\n", ft_atoi(str)); */
/* } */