diff options
Diffstat (limited to 'src/ctype/ft_todigit.c')
| -rw-r--r-- | src/ctype/ft_todigit.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/ctype/ft_todigit.c b/src/ctype/ft_todigit.c new file mode 100644 index 0000000..bfa7f99 --- /dev/null +++ b/src/ctype/ft_todigit.c @@ -0,0 +1,20 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ft_todigit.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/01/15 10:37:57 by cacharle #+# #+# */ +/* Updated: 2020/01/15 10:38:46 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libft.h" + +int ft_todigit(int c) +{ + if (!ft_isdigit(c)) + return (-1); + return (c & 0x0F); +} |