src/ctype/ft_todigit.c


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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_todigit.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/01/15 10:37:57 by cacharle          #+#    #+#             */
/*   Updated: 2020/02/12 23:11:55 by cacharle         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_todigit(int c)
{
	if (!ft_isdigit(c))
		return (-1);
	return (c & 0x0F);
}