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Stable release
1.7 / 10 April 2010; 12 years ago (2010-04-10)
Written inC, C++
Operating systemSymbian OS
TypeApplication programming interface

P.I.P.S. is a term (recursive acronym) for Symbian software libraries, and means "P.I.P.S. Is POSIX on Symbian OS". It is intended to help C language programmers in migration of desktop and server middleware, applications to Symbian OS based mobile smartphone devices.[1] [2]

Software libraries[edit]

The PIPS software libraries provides C and C++ application programming interfaces in standard C libraries such as

    • libc – The "C Standard Library" with system APIs mapped to Symbian OS APIs for better performance
    • libm – A mathematical library
    • libpthread – Implements POSIX-style threading support in terms of the underlying Symbian OS thread support
    • libdl – Implements POSIX-style dynamic linking which extends the dynamic loading model of Symbian OS
  • LIBZ
    • libz
  • OpenSSL
    • libcrypt
    • libcrypto
    • libssl
    • libglib


The P.I.P.S. environment does not support true signalling. Basic signal support is emulated using threads.

Extensions and successors: Open C and Open C++[edit]

Open C and Open C++ are extensions by Nokia of P.I.P.S. In contrast to mere P.I.P.S., they were only for Series 60 phones.[3]


The name was the result of an internal competition in the Symbian Developer Marketing department, organised by Bruce Carney (Developer Marketing) and Erik Jacobson (Product Manager). The full-stops were inserted by Symbian's Legal department to ensure there were no trademark or copyright infringements.

See also[edit]


  1. ^ Symbian introduces POSIX libraries on Symbian OS Archived 18 November 2008 at the Wayback Machine
  2. ^ "Symbian OS to gain POSIX libraries". Archived from the original on 5 September 2012.
  3. '^ Wilcox, Mark and others, Porting to the Symbian Platform, pages 106–107, 2009, Wiley

External links[edit]