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ft_atoi.c
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ft_atoi.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: djmekki < [email protected] +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/03 05:44:35 by djmekki #+# #+# */
/* Updated: 2022/04/03 06:44:47 by djmekki ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_atoi(const char *str)
{
int i;
int sign;
unsigned int n;
i = 0;
sign = 1;
n = 0;
while (str[i] == ' ' || str[i] == '\f' || str[i] == '\n'
|| str[i] == '\r' || str[i] == '\t' || str[i] == '\v')
i++;
if (str[i] == '-')
{
sign = -1;
i++;
}
else if (str[i] == '+')
i++;
while (ft_isdigit(str[i]))
{
n = n * 10 + (str[i] - 48);
i++;
}
return (sign * n);
}