ft_tolower.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_tolower.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mihykim <mihykim@student.42seoul.kr>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/26 16:14:09 by mihykim           #+#    #+#             */
/*   Updated: 2020/04/03 22:10:24 by mihykim          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

/*
** - Returns corresponding lower-case one,
**   if the argument is an upper-case letter.
** - If there is no corresponding one, the argument is returned.
*/

int		ft_tolower(int c)
{
	if (c >= 'A' && c <= 'Z')
		return (c + 'a' - 'A');
	else
		return (c);
}