text: /*
   * 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.
   */
  
  #if __ANDROID_API__ >= 23
  int openpty(int* _Nonnull __master_fd, int* _Nonnull __slave_fd, char* _Nullable __slave_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 on success and returns -1 and sets `errno` on failure.
   *
   * Available since API level 23.
   */
  int forkpty(int* _Nonnull __master_fd, char* _Nullable __slave_name, const struct termios* _Nullable __termios_ptr, const struct winsize* _Nullable __winsize_ptr) __INTRODUCED_IN(23);
  #endif /* __ANDROID_API__ >= 23 */
  
  
  __END_DECLS
  