/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_rot42.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gtertysh <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2016/11/03 21:58:10 by gtertysh          #+#    #+#             */
/*   Updated: 2016/11/04 02:01:11 by gtertysh         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

char	*ft_rot42(char *str)
{
	char *begin;

	begin = str;
	while (*str)
	{
		if (*str >= 'A' && *str <= 'Z')
			*str = (*str - 65 + 42) % 26 + 65;
		else if (*str >= 'a' && *str <= 'z')
			*str = (*str - 97 + 42) % 26 + 97;
		str++;
	}
	return (begin);
}