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Piscine-C02
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lfirmin 2025-11-16 10:07:34 +01:00
commit a1d62a967e
10 changed files with 394 additions and 0 deletions
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39
ex00/ft_strcpy.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 02:48:06 by lfirmin #+# #+# */
/* Updated: 2024/02/12 03:34:27 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
char *ft_strcpy(char *dest, char *src)
{
int curs;
curs = 0;
while (src[curs] != '\0')
{
dest[curs] = src[curs];
curs++;
}
dest[curs] = '\0';
return (dest);
}
/*
#include <stdio.h>
int main(void)
{
char src[] = "Hello, World!";
char dest[50];
ft_strcpy(dest, src);
printf("Source: %s\n", src);
printf("Destination: %s\n", dest);
return (0);
}*/

39
ex01/ft_strncpy.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strncpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 03:38:21 by lfirmin #+# #+# */
/* Updated: 2024/02/20 22:13:48 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
void *ft_strncpy(char *dest, char *src, unsigned int n)
{
unsigned int curs;
curs = 0;
while (curs < n && src[curs] != '\0')
{
dest[curs] = src[curs];
curs++;
}
while (curs < n)
{
dest[curs] = '\0';
curs++;
}
return (dest);
}
/*#include <stdio.h>
int main(void)
{
char src[] = "Hello, World!";
char dest[50];
char n = 4;
ft_strncpy(dest, src, n);
printf("Source: %s\n", src);
printf("Destination: %s\n", dest);
}*/

44
ex02/ft_str_is_alpha.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_str_is_alpha.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 05:59:36 by lfirmin #+# #+# */
/* Updated: 2024/02/18 05:00:21 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
int ft_str_is_alpha(char *str)
{
int c;
c = 0;
while (str[c] != '\0')
{
if ((str[c] < 'A' || str[c] > 'Z') && (str[c] < 'a' || str[c] > 'z'))
{
return (0);
}
c++;
}
return (1);
}
/*#include <stdio.h>
int main()
{
char str[] = "hii";
int result = ft_str_is_alpha(str);
if (result)
{
printf("alphabetique\n");
}
else
{
printf("non alphabetique\n");
}
return 0;
}*/

44
ex03/ft_str_is_numeric.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_str_is_numeric.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 06:07:00 by lfirmin #+# #+# */
/* Updated: 2024/02/18 03:41:02 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
int ft_str_is_numeric(char *str)
{
int c;
c = 0;
while (str[c] != '\0')
{
if (str[c] < '0' || str[c] > '9')
{
return (0);
}
c++;
}
return (1);
}
/*#include <stdio.h>
int main()
{
char str[] = '5';
int result = ft_str_is_numeric(str);
if (result)
{
printf("numerique\n");
}
else
{
printf("non numerique\n");
}
return 0;
}*/

27
ex04/ft_str_is_lowercase.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_str_is_lowercase.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 06:25:21 by lfirmin #+# #+# */
/* Updated: 2024/02/12 06:35:23 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
int ft_str_is_lowercase(char *str)
{
int c;
c = 0;
while (str[c] != '\0')
{
if (str[c] < 'a' || str[c] > 'z')
{
return (0);
}
c++;
}
return (1);
}

27
ex05/ft_str_is_uppercase.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_str_is_uppercase.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 06:25:21 by lfirmin #+# #+# */
/* Updated: 2024/02/12 06:37:22 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
int ft_str_is_uppercase(char *str)
{
int c;
c = 0;
while (str[c] != '\0')
{
if (str[c] < 'A' || str[c] > 'Z')
{
return (0);
}
c++;
}
return (1);
}

45
ex06/ft_str_is_printable.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_str_is_printable.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 21:55:01 by lfirmin #+# #+# */
/* Updated: 2024/02/13 00:39:30 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
int ft_str_is_printable(char *str)
{
int c;
c = 0;
while (str[c] != '\0')
{
if (str[c] < ' ' || str[c] > '~' )
{
return (0);
}
c++;
}
return (1);
}
/*#include <stdio.h>
int main()
{
char str[] = "HeLlO wOrLd";
int result = ft_str_is_printable(str);
if (result)
{
printf("printable\n");
}
else
{
printf("non printable\n");
}
return 0;
}*/

37
ex07/ft_strupcase.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strupcase.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 23:44:03 by lfirmin #+# #+# */
/* Updated: 2024/02/13 00:49:27 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
char *ft_strupcase(char *str)
{
int c;
int maj;
maj = 'A' - 'a';
c = 0;
while (str[c] != '\0')
{
if (str[c] >= 'a' && str[c] <= 'z')
{
str[c] = str[c] + maj;
}
c++;
}
return (str);
}
/*#include <stdio.h>
int main(void)
{
char src[] = "Hello, World!";
printf("Source: %s\n", src);
ft_strupcase(src);
printf("Destination: %s\n", src);
return (0);
}*/

37
ex08/ft_strlowcase.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strlowcase.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/12 23:44:03 by lfirmin #+# #+# */
/* Updated: 2024/02/13 00:53:38 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
char *ft_strlowcase(char *str)
{
int c;
int min;
min = 'A' - 'a';
c = 0;
while (str[c] != '\0')
{
if (str[c] >= 'A' && str[c] <= 'Z')
{
str[c] = str[c] - min;
}
c++;
}
return (str);
}
/*#include <stdio.h>
int main(void)
{
char src[] = "HeLlO WoRlD !";
printf("Source: %s\n", src);
ft_strlowcase(src);
printf("Destination: %s\n", src);
return (0);
}*/

55
ex09/ft_strcapitalize.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcapitalize.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/14 17:56:44 by lfirmin #+# #+# */
/* Updated: 2024/02/20 00:05:40 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
char *ft_strlowcase(char *str)
{
int c;
int min;
min = 'A' - 'a';
c = 0;
while (str[c] != '\0')
{
if (str[c] >= 'A' && str[c] <= 'Z')
{
str[c] = str[c] - min;
}
c++;
}
return (str);
}
char *ft_strcapitalize(char *str)
{
int i;
str = ft_strlowcase(str);
i = 1;
if ((str[0] >= 'a') && (str[0] <= 'z'))
str[0] -= ('a' - 'A');
while (str[i])
{
if (str[i] >= 'a' && str[i] <= 'z')
{
if ((str[i -1] < 48 || str[i -1] > 57))
{
if (str[i -1] < 'a' || str[i -1] > 'z')
{
if (str[i -1] < 'A' || str[i -1] > 'Z')
str[i] -= 32;
}
}
}
i++;
}
return (str);
}