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HandWiki. Bionic. Encyclopedia. Available online: https://encyclopedia.pub/entry/31890 (accessed on 23 September 2026).
HandWiki. Bionic. Encyclopedia. Available at: https://encyclopedia.pub/entry/31890. Accessed September 23, 2026.
HandWiki. "Bionic" Encyclopedia, https://encyclopedia.pub/entry/31890 (accessed September 23, 2026).
HandWiki. (2022, October 30). Bionic. In Encyclopedia. https://encyclopedia.pub/entry/31890
HandWiki. "Bionic." Encyclopedia. Web. 30 October, 2022.
Bionic
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The content is sourced from: https://handwiki.org/wiki/Software:Bionic

Bionic is an implementation of the standard C library, developed by Google for its Android operating system. It differs from the GNU C Library (glibc) in being designed for devices with less memory and processor power than a typical Linux system. It is a combination of new code and code from FreeBSD, NetBSD, and OpenBSD released under a BSD license, rather than glibc, which uses the GNU Lesser General Public License. This difference was important in the early days of Android, when static linking was common, and is still helpful in introducing Android to software companies used to proprietary operating systems, who can be wary of the LGPL, and unclear about the differences between it and the full GNU General Public License (GPL). Bionic is a C library for use with the Linux kernel, and provides libc, libdl, and libm (libpthread functionality is part of libc, not a separate library as on some other systems). This differs from the BSD C libraries that bionic shares code with, because they require a BSD kernel.

glibc gpl lgpl

References

  1. Burnette, Ed (June 4, 2008). "Patrick Brady dissects Android". ZDNet. http://www.zdnet.com/blog/burnette/patrick-brady-dissects-android/584. 
  2. Turner, David (2009-02-07). "Questions about Bionic". https://groups.google.com/group/android-platform/browse_thread/thread/bb85ef641ed093ea/a43090bfd365cd75. "The name "Bionic" comes from the fact that it is part-BSD and part-Linux: its source code consists in a mix of BSD C library pieces with custom Linux-specific bits used to deal with threads, processes, signals and a few others things." 
  3. Android Anatomy and Physiology, p. 36, http://androidteam.googlecode.com/files/Anatomy-Physiology-of-an-Android.pdf, retrieved 2017-07-15, "License: we want to keep GPL out of user-space" 
  4. Florian Mueller. "FOSS Patents". http://www.fosspatents.com/2011/03/googles-android-faces-serious-linux.html?m=1. 
  5. "Android 6.0 Compatibility Definition". https://source.android.com/compatibility/6.0/android-6.0-cdd.html. 
  6. "System hardening in Android 11" (in en). https://android-developers.googleblog.com/2020/06/system-hardening-in-android-11.html. 
  7. "Scudo" (in en). https://source.android.com/devices/tech/debug/scudo. 
  8. "Zygote". Anatomy of Android. https://anatomyofandroid.com/2013/10/15/zygote/. 
  9. "NDK Revision History | Android NDK". https://developer.android.com/ndk/downloads/revision_history. 
  10. "Android bionic status". https://android.googlesource.com/platform/bionic/+/master/docs/status.md. 
  11. Elliott Hughes. "libc: #define to remove support for %n from printf(3)?". https://marc.info/?l=openbsd-tech&m=139906913532531&w=2. 
  12. "Jelly Bean". Android Developers. android.com. https://developer.android.com/about/versions/jelly-bean.html. 
  13. "Android 4.2 and FORTIFY_SOURCE". Android Security Discussions. https://groups.google.com/forum/?fromgroups=#!topic/android-security-discuss/39oaPaWJX2I. 
  14. "Android NDK changelog". Android NDK. android.googlesource.com. https://android.googlesource.com/platform/ndk.git/+/ndk-r13-release/CHANGELOG.md. 
  15. "FORTIFY in Android". Android Developers Blog. android-developers.googleblog.com. https://android-developers.googleblog.com/2017/04/fortify-in-android.html. 
  16. Google android and the linux headers on theregister.com (2011) https://www.theregister.co.uk/2011/03/29/google_android_and_the_linux_headers/
  17. Android: Sued by Microsoft, not by Linux "Microsoft launches new Android suit, Linus Torvalds' take on Linux kernel headers and Android" on ITworld (March 21, 2011) http://www.itworld.com/article/2744480/open-source-tools/android--sued-by-microsoft--not-by-linux.html
  18. Infringement and disclosure risk in development on copyleft platforms on ipinfoblog.com by Raymond Nimmer (2011) https://web.archive.org/web/20161116122205/http://www.ipinfoblog.com/archives/licensing-law-issues-infringement-and-disclosure-risk-in-development-on-copyleft-platforms.html
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