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adding atoi in function

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Maoake
2025-12-08 18:31:08 +00:00
parent 15d56b2b32
commit 8e8ca5cfdc
1 changed files with 33 additions and 0 deletions
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33
ft_atoi.c Normal file
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@@ -0,0 +1,33 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mteriier <mteriier@student.42lyon.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/12/08 18:28:17 by mteriier #+# #+# */
/* Updated: 2025/12/08 18:30:28 by mteriier ### ########.fr */
/* */
/* ************************************************************************** */
int ft_atoi(const char *nptr)
{
size_t i;
int sign;
int tmp;
i = 0;
sign = 1;
tmp = 0;
while ((nptr[i] >= 9 && nptr[i] <= 13) || nptr[i] == ' ')
i++;
sign = calcul_sign(nptr[i]);
if (nptr[i] == '-' || nptr[i] == '+')
i++;
while (nptr[i] >= '0' && nptr[i] <= '9')
{
tmp = tmp * 10 + nptr[i] - '0';
i++;
}
return (tmp * sign);
}