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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 the QNX OS 8.0.
Utilities & Libraries
C Library Reference
E
_edata
The end of the data segment, excluding BSS data

QNX Momentics IDE User's Guide
This User's Guide describes version 8.0 of the Integrated Development Environment (IDE) that's part of the QNX 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 the QNX OS 8.0.
- Quickstart Guide
- System Architecture
  The System Architecture guide accompanies the QNX OS and is intended for both application developers and end-users.
- OS Components & Operations
- Graphics
- Programming
- System Security Guide
  The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX OS system and developers who want to create a QNX OS resource manager free from vulnerabilities.
- Utilities & Libraries
  - C Library Reference
    - What's in a Function Description?
    - Manifests
    - Character Sets
    - A
    - B
    - C
    - D
    - E
      - eaccess()
        Check to see if the effective user ID can access a file or directory
      - _edata
        The end of the data segment, excluding BSS data
      - _end
        The end of the data segment, including BSS data
      - endfsent()
        Close the filesystem table (/etc/fstab) file
      - endgrent()
        Close the group database file
      - ENDIAN_BE16()
        Return a big-endian 16-bit value in native format
      - ENDIAN_BE32()
        Return a big-endian 32-bit value in native format
      - ENDIAN_BE64()
        Return a big-endian 64-bit value in native format
      - ENDIAN_LE16()
        Return a little-endian 16-bit value in native format
      - ENDIAN_LE32()
        Return a little-endian 32-bit value in native format
      - ENDIAN_LE64()
        Return a little-endian 64-bit value in native format
      - ENDIAN_RET16()
        Return an endian-swapped 16-bit value
      - ENDIAN_RET32()
        Return an endian-swapped 32-bit value
      - ENDIAN_RET64()
        Return an endian-swapped 64-bit value
      - ENDIAN_SWAP16()
        Endian-swap a 16-bit value in place
      - ENDIAN_SWAP32()
        Endian-swap a 32-bit value in place
      - ENDIAN_SWAP64()
        Endian-swap a 64-bit value in place
      - endpwent()
        Close the password database file
      - endspent()
        Close the shadow password database file
      - endutent()
        Close the current user-information file
      - environ
        Pointer to the process's environment variables
      - erand48()
        Generate a pseudo-random double in a thread-safe manner
      - erf(), erff(), erfl()
        Compute the error function of a number
      - erfc(), erfcf(), erfcl()
        Complementary error function
      - err(), errx()
        Display a formatted error message, and then exit
      - errno
        Thread-local error variable
      - _etext
        The end of the text segment
      - execl()
        Execute a file
      - execle()
        Execute a file
      - execlp()
        Execute a file
      - execlpe()
        Execute a file
      - execv()
        Execute a file
      - execve()
        Execute a file
      - execvp()
        Execute a file
      - execvpe()
        Execute a file
      - _exit()
        Terminate the program
      - exit()
        Exit the calling program
      - exp(), expf(), expl()
        Compute the exponential function of a number
      - exp2(), exp2f(), exp2l()
        Calculate the base-2 exponential of a number
      - expm1(), expm1f(), expm1l()
        Compute the exponential of a number, then subtract 1
    - F
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    - I
    - J
    - K
    - L
    - M
    - N
    - O
    - P
    - Q
    - R
    - S
    - T
    - U
    - V
    - W
    - X
    - Y
    - Z
    - Full Safety Information
    - Glossary
  - Devctl and Ioctl Commands
  - JSON Library Reference
  - PAM Reference
  - QNX Helpers Developer's Guide
    These libraries provide QNX helpers, including helpers that assist with logging, string conversion, and number and type sizes.
  - SPI Framework Technote
  - 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.
- Migrating to QNX OS 8.0
QNX Software in the Cloud
QNX Toolkit for Visual Studio Code
This User's Guide describes the QNX^® Toolkit for Visual Studio Code. The guide introduces you to the QNX Toolkit by explaining the QNX development environment and how to build, run, and debug your QNX^® Operating System (OS) applications and systems.
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation, explains how to obtain technical support, and provides some information about licensing.

`_edata`

QNX SDP8.0C Library ReferenceAPIDeveloper

The end of the data segment, excluding BSS data

Synopsis:

N/A

Description:

This linker symbol defines the end of the data segment, excluding BSS data. This variable isn't defined in any header file.

Classification:

QNX OS

Page updated: August 09, 2024