Libft/ft_isalnum.c at main · SolarisCode/Libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_isalnum.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: melkholy <melkholy@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/01/25 02:07:41 by melkholy          #+#    #+#             */
/*   Updated: 2022/02/08 05:23:11 by melkholy         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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