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/**
* cerberus – Minimal login program
*
* Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <termios.h>
#include <unistd.h>
/**
* Reads the passphrase from stdin
*
* @return The passphrase, should be `free`:ed
*/
char* get_passphrase(void);
/**
* Disable echoing and do anything else to the terminal settnings `get_passphrase` requires
*/
void disable_echo();
/**
* Undo the actions of `disable_echo`
*/
void reenable_echo();
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