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Piscine42

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Ladebeze66
2023-12-12 17:25:55 +01:00
commit e07184f084
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36
C04/ex03/ft_atoi.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fgras-ca <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/12/13 10:11:50 by fgras-ca #+# #+# */
/* Updated: 2022/12/13 11:01:40 by fgras-ca ### ########.fr */
/* */
/* ************************************************************************** */
int ft_atoi(char *str)
{
int res;
int sign;
int i;
i = 0;
res = 0;
sign = 1;
while (str[i] == 32 || (str[i] >= 9 && str[i] <= 13))
i++;
while (str[i] == '-' || str[i] == '+')
{
if (str[i] == '-')
sign *= (-1);
i++;
}
while (str[i] >= '0' && str[i] <= '9')
{
res = res * 10 + str[i] - '0';
i++;
}
return (res * sign);
}