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Piscine-C04
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lfirmin 2025-11-16 10:11:37 +01:00
commit a219e820ad
4 changed files with 138 additions and 0 deletions
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21
ex00/ft_strlen.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strlen.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/13 23:22:51 by lfirmin #+# #+# */
/* Updated: 2024/02/22 12:03:54 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
int ft_strlen(char *str)
{
int i;
i = 0;
while (str[i])
i++ ;
return (i);
}

33
ex01/ft_putstr.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_putstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/13 23:28:38 by lfirmin #+# #+# */
/* Updated: 2024/02/21 14:56:53 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void ft_putchar(char c)
{
write(1, &c, 1);
}
void ft_putstr(char *str)
{
int curs;
curs = 0;
while (str[curs] != '\0')
{
ft_putchar(str[curs]);
++curs;
}
}
/*int main()
{
ft_putstr("testest");
}*/

44
ex02/ft_putnbr.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_putnbr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/13 23:37:06 by lfirmin #+# #+# */
/* Updated: 2024/02/21 14:55:00 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void ft_putchar(char c)
{
write(1, &c, 1);
}
void ft_putnbr(int nb)
{
if (nb == -2147483648)
{
write(1, "-2147483648", 11);
return ;
}
if (nb < 0)
{
nb = -nb;
ft_putchar('-');
}
if (nb > 9)
{
ft_putnbr(nb / 10);
ft_putnbr(nb % 10);
}
else
{
ft_putchar(nb + '0');
}
}
/*int main()
ft_putnbr(-2147483648);
}*/

40
ex03/ft_atoi.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/18 07:20:28 by lfirmin #+# #+# */
/* Updated: 2024/02/22 12:04:46 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_atoi(char *c)
{
int n;
int s;
int nb;
n = 0;
s = 0;
nb = 0;
while (c[n] >= 9 && (c[n] <= 13 || c[n] == ' '))
n++ ;
while (c[n] == '-' || (c[n] == '+'))
{
if (c[n] == '-')
s++ ;
n++ ;
}
s = s % 2;
while (c[n] >= '0' && c[n] <= '9')
{
nb = (nb * 10) + (c[n] - 48);
n++ ;
}
if (s == 1)
nb = nb * -1;
return (nb);
}