ft_isalnum.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_isalnum.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dooh <dooh@student.42seoul.kr>             +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/01/20 19:17:21 by dooh              #+#    #+#             */
/*   Updated: 2021/01/20 19:19:05 by dooh             ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_isalnum(int c)
{
	if (('a' <= c && c <= 'z') ||
			('A' <= c && c <= 'Z') || ('0' <= c && c <= '9'))
		return (1);
	return (0);
}