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skeletton untested project

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thrieg 2025-12-11 06:18:16 +01:00
commit 6fc620e8f4
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libft/ft_isalpha.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_isalpha.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: thrieg <thrieg@student.42mulhouse.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/06 12:44:45 by thrieg #+# #+# */
/* Updated: 2025/02/16 19:03:42 by thrieg ### ########.fr */
/* */
/* ************************************************************************** */
int ft_isalpha(int c)
{
if (c < 65 || c > 122 || (c > 90 && c < 97))
return (0);
else
return (1);
}
int ft_isspace(char c)
{
return (c == ' ' || c == '\f' || c == '\n' || c == '\r'
|| c == '\t' || c == '\v');
}
int ft_tolower(int c)
{
if (c >= 'A' && c <= 'Z')
return (c + ('a' - 'A'));
return (c);
}
int ft_toupper(int c)
{
if (c >= 'a' && c <= 'z')
return (c - ('a' - 'A'));
return (c);
}