42-Paris/C-Function-Pointers
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lclerel- lclerel-
2026-03-12 17:06:05 +01:00
commit 9c35f32ffd
4 changed files with 296 additions and 0 deletions
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66
ex0/ft_foreach.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_foreach.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/12 09:38:54 by lclerel- #+# #+# */
/* Updated: 2026/03/12 11:26:41 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void ft_foreach(int *tab, int length, void (*f)(int))
{
int i;
i = 0;
while (i < length)
{
f(tab[i]);
i++;
}
}
/*void ft_putnbr(int nb)
{
char value;
if (nb == -2147483648)
{
write(1, "-2147483648", 11);
return ;
}
if (nb < 0)
{
write(1, "-", 1);
nb = -nb;
}
if (nb > 9)
{
ft_putnbr(nb / 10);
}
value = nb % 10 + '0';
write(1, &value, 1);
}
int main(void)
{
int tab[4] = {1, 8, 9, 6};
int i;
int length;
i = 0;
length = 4;
write(1, "Test avec tableau de 4, avec valeur 1 8 9 6 : ", 46);
write(1, "\n", 1);
while (i < length)
{
ft_putnbr(tab[i]);
i++;
write(1, "\n", 1);
}
}*/

80
ex1/ft_map.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_map.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/12 09:41:12 by lclerel- #+# #+# */
/* Updated: 2026/03/12 11:28:20 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
#include <stdlib.h>
int *ft_map(int *tab, int length, int (*f)(int))
{
int i;
int *tab2;
tab2 = malloc(sizeof(int) * length);
i = 0;
if (!tab2)
{
return (NULL);
}
while (i < length)
{
tab2[i] = f(tab[i]);
i++;
}
return (tab2);
}
/*void ft_putnbr(int nb)
{
char value;
if (nb == -2147483648)
{
write(1, "-2147483648", 11);
return ;
}
if (nb < 0)
{
write(1, "-", 1);
nb = -nb;
}
if (nb > 9)
{
ft_putnbr(nb / 10);
}
value = nb % 10 + '0';
write(1, &value, 1);
}
int ft_carre(int n)
{
return (n * n);
}
int main(void)
{
int tab[4] = {1, 8, 9, 6};
int *result = ft_map(tab, 4, &ft_carre);
int i;
int length;
i = 0;
length = 4;
write(1, "Test avec tableau de 4, avec valeur 1 8 9 6 : ", 46);
write(1, "\n", 1);
while (i < length)
{
ft_putnbr(result[i]);
i++;
write(1, "\n", 1);
}
}*/

58
ex2/ft_any.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_any.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/12 11:29:41 by lclerel- #+# #+# */
/* Updated: 2026/03/12 11:50:58 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
int ft_any(char **tab, int (*f)(char*))
{
int i;
i = 0;
while (tab[i] != NULL)
{
if (f(tab[i]) != 0)
{
return (1);
}
i++;
}
return (0);
}
/*
int s_check(char *s)
{
int i = 0;
while (s[i] == 'S')
{
return (1);
i++;
}
return (0);
}
int main(void)
{
char *tab[] = {"Test", "1234", "Test56", "singesavant", NULL};
int result;
result = ft_any(tab, &s_check);
if (result == 1)
{
write(1, "Un mot a ete trouver\n", 22);
}
else
{
write(1, "Rien trouver.\n", 14);
}
return (0);
}*/

92
ex3/ft_count_if.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_count_if.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/12 11:54:32 by lclerel- #+# #+# */
/* Updated: 2026/03/12 14:00:32 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
int ft_count_if(char **tab, int length, int (*f)(char*))
{
int i;
int count;
i = 0;
count = 0;
while (tab[i] != NULL)
{
if (f(tab[i]) < length)
{
count++;
}
i++;
}
return (count);
}
/*int len_check(char *s)
{
int i = 0;
while (s[i])
{
i++;
}
if (i > 3)
{
return (1);
}
return (0);
}
void ft_putnbr(int nb)
{
char value;
if (nb == -2147483648)
{
write(1, "-2147483648", 11);
return ;
}
if (nb < 0)
{
write(1, "-", 1);
nb = -nb;
}
if (nb > 9)
{
ft_putnbr(nb / 10);
}
value = nb % 10 + '0';
write(1, &value, 1);
}
int main(void)
{
char *tab[] = {"Test", "1234", "Test56", "singesavant", NULL};
int result;
int length = 0;
while (tab[length] != NULL)
{
length++;
}
result = ft_count_if(tab, length, &len_check);
if (result > 1)
{
write(1, "Plusieurs mots ont ete trouver\n", 31);
write(1, "Nombre Total : ", 15);
ft_putnbr(result);
}
else
{
write(1, "Rien trouver.\n", 14);
}
return (0);
}*/