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ft_atoi.c
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ft_atoi.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: roramos <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/12 19:16:28 by roramos #+# #+# */
/* Updated: 2022/10/12 19:29:15 by roramos ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_atoi(const char *str)
{
int i;
int sign;
int result;
i = 0;
sign = 1;
result = 0;
while (str[i] && (str[i] == '\f' || str[i] == '\t' || str[i] == ' '
|| str[i] == '\n' || str[i] == '\r' || str[i] == '\v'))
i++;
if ((str[i] == '-' || str[i] == '+') && str[i++] == '-')
sign = -1;
while (str[i] && str[i] >= '0' && str[i] <= '9')
result = (result * 10) + str[i++] - '0';
return (result * sign);
}