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/*
* Copyright (C) 2014 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
/**
* @file pty.h
* @brief Pseudoterminal functions.
*/
#include <sys/cdefs.h>
#include <termios.h>
#include <sys/ioctl.h>
__BEGIN_DECLS
/**
* [openpty(3)](http://man7.org/linux/man-pages/man3/openpty.3.html) finds
* a free pseudoterminal and configures it with the given terminal and window
* size settings.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*
* Available since API level 23.
*/
int openpty(int* _Nonnull __pty_fd, int* _Nonnull __tty_fd, char* _Nullable __tty_name, const struct termios* _Nullable __termios_ptr, const struct winsize* _Nullable __winsize_ptr) __INTRODUCED_IN(23);
/**
* [forkpty(3)](http://man7.org/linux/man-pages/man3/forkpty.3.html) creates
* a new process connected to a pseudoterminal from openpty().
*
* Returns 0 in the child/the pid of the child in the parent on success,
* and returns -1 and sets `errno` on failure.
*
* Available since API level 23.
*/
int forkpty(int* _Nonnull __parent_pty_fd, char* _Nullable __child_tty_name, const struct termios* _Nullable __termios_ptr, const struct winsize* _Nullable __winsize_ptr) __INTRODUCED_IN(23);
__END_DECLS
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