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QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running QNX Neutrino 7.1.
Utilities & Libraries
Devctl and Ioctl Commands
TIOC*

QNX Momentics IDE User's Guide
This User's Guide describes version 7.1 of the Integrated Development Environment (IDE) that's part of the QNX Momentics tool suite.
QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running QNX Neutrino 7.1.
- Quickstart Guide
- OS Components & Operations
- Audio & Graphics API
- Multimedia
- Networking Middleware
- Programming
- Sensor Framework
- System Security Guide
  The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX Neutrino RTOS system and developers who want to create a QNX Neutrino resource manager free from vulnerabilities.
- Utilities & Libraries
  - Addon Interfaces Library Reference
  - C Library Reference
  - Devctl and Ioctl Commands
    - BIOC* (io-sock)
    - CAN_DEVCTL_*
    - DCMD_ALL_*
    - DCMD_BLK_*
    - DCMD_BT_*
    - DCMD_CHR_*
    - DCMD_DUMPER_*
    - DCMD_ETFS_*
    - DCMD_F3S_*
    - DCMD_FSEVMGR_*
    - DCMD_FSYS_*
    - DCMD_IP_*
    - DCMD_MEMMGR_*
    - DCMD_MISC_*
    - DCMD_MMCSD_*
    - DCMD_PROC_*
    - DCMD_PROF_*
    - DCMD_PTPD_*
    - DCMD_SDIO_*
    - DCMD_SDMMC_*
    - DCMD_SPI_*
    - FIO*
    - TC*
    - TIOC*
      - TIOCCBRK
        Clear the break bit
      - TIOCCDTR
        Clear data terminal ready
      - TIOCDRAIN
        Wait until output has drained
      - TIOCEXCL, TIOCSINUSE
        Set exclusive use of a terminal
      - TIOCFLUSH
        Flush buffers
      - TIOCGETA
        Get the terminal properties in a termios structure
      - TIOCGETC
        Get a terminal's special characters
      - TIOCGETP
        Get a terminal's parameters
      - TIOCGLTC
        Get the local special characters
      - TIOCGETPGRP, TIOCGPGRP
        Get the process group ID associated with a device
      - TIOCGSIZE, TIOCGWINSZ
        Get the size of a character device
      - TIOCHPCL
        Hang up on last close
      - TIOCLGET
        Get the local modes
      - TIOCLSET
        Set the entire local mode word
      - TIOCMBIC
        Clear specific modem bits
      - TIOCMBIS
        Set specific modem bits
      - TIOCMGET
        Get all modem bits
      - TIOCMSET
        Set all modem bits
      - TIOCNOTTY
        Make a terminal not be the controlling terminal
      - TIOCNXCL
        Reset exclusive use of a terminal
      - TIOCOUTQ
        Get the output queue size
      - TIOCPKT
        Set or clear packet mode
      - TIOCSCTTY
        Make a terminal the controlling terminal
      - TIOCSDTR
        Set data terminal ready
      - TIOCSETA, TIOCSETAF, TIOCSETAW
        Set terminal properties from a termios structure
      - TIOCSETC
        Set a terminal's special characters
      - TIOCSETN, TIOCSETP
        Set a terminal's parameters
      - TIOCSLTC
        Set the local special characters
      - TIOCSETPGRP, TIOCSPGRP
        Set the process group ID associated with a device
      - TIOCSTART
        Start output
      - TIOCSTI
        Simulate terminal input
      - TIOCSTOP
        Stop output
      - TIOCSSIZE, TIOCSWINSZ
        Set the size of a character device
  - JSON Library Reference
  - PAM Reference
  - Utilities Reference
  - WPA Control Interface Reference
    This document provides a reference for the Wi-Fi Protected Access (WPA) control interface, which provides a C API for the WPA/IEEE 802.11i protocols in Wi-Fi client stations. Application developers who want to control WPA operations and get associated status and event data should read this reference.
QNX Hypervisor
The QNX Hypervisor allows you to run multiple OSs on a target system so you can separate critical and non-critical functions, support a wide variety of applications, and reduce hardware costs.
QNX Software in the Cloud
QNX Software in the Cloud enables developers to use the QNX software in Amazon Web Services (AWS) and Microsoft Azure (Azure).
QNX Advanced Virtualization Frameworks User's Guide
This User's Guide is aimed at all systems integrators and developers who want to design and build embedded systems using the QNX Advanced Virtualization Frameworks.
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation and explains how to obtain technical support.

TIOC*

This chapter describes the ioctl() commands that apply to terminals.

Page updated: March 12, 2026