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Encyclopedia > GNU C library
The GNU Logo
  GNU C Library
Maintainer: GNU Project
Latest release: 2.4 / March 6, 2006
OS: Cross-platform
Use: Runtime library
License: LGPL
Website: GNU LibC

Glibc is the GNU project's C standard library. It is free software and is available under the GNU Lesser General Public License. The lead contributor and maintainer is Ulrich Drepper. Image File history File links Heckert_GNU_white. ... Software maintenance is one of the activities in software engineering, and is the process of enhancing and optimizing deployed software (software release), as well as remedying defects. ... The GNU logo, drawn by Etienne Suvasa The GNU Project was announced in 1983 by Richard Stallman. ... A software release is to create a new version of the system or program and release it to the user community. ... March 6 is the 65th day of the year in the Gregorian Calendar (66th in Leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... An operating system (OS) is an essential software program that manages the hardware and software resources of a computer. ... A cross-platform (or platform independent) programming language, software application or hardware device works on more than one system platform (e. ... In computer science, runtime describes the operation of a computer program, the duration of its execution, from beginning to termination (compare compile time). ... A software license is a type of proprietary or gratuitous license as well as a memorandum of contract between a producer and a user of computer software — sometimes called an End User License Agreement (EULA) — that specifies the perimeters of the permission granted by the owner to the user. ... GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is a free software license published by the Free Software Foundation. ... This page as shown in the aol 9. ... The GNU logo, drawn by Etienne Suvasa The GNU Project was announced in 1983 by Richard Stallman. ... The C standard library is a now-standardised collection of header files and library routines used to implement common operations, such as input/output and string handling, in the C programming language. ... This article is about Free Software as defined by the sociopolitical Free Software movement; for information on software distributed without charge, see freeware. ... GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is a free software license published by the Free Software Foundation. ... Ulrich Drepper is the lead contributer and maintainer of the GNUs C standard library project, Glibc. ...


In addition to providing the functionality required by Unix98, Single UNIX Specification, POSIX (1c, 1d, and 1j) and some of the functionality required by ISO C99, Glibc also provides extensions which have been deemed useful or necessary while developing the GNU operating system. The Single UNIX Specification (SUS) is the collective name of a family of standards for computer operating systems to qualify for the name Unix. The SUS is developed and maintained by the Austin Group, based on earlier work by the IEEE and The Open Group. ... The Single UNIX Specification (SUS) is the collective name of a family of standards for computer operating systems to qualify for the name Unix. The SUS is developed and maintained by the Austin Group, based on earlier work by the IEEE and The Open Group. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from national standards bodies. ... The C Programming Language, Brian Kernighan and Dennis Ritchie, the original edition that served for many years as an informal specification of the language The C programming language is a low_level standardized programming language developed in the early 1970s by Ken Thompson and Dennis Ritchie for use on the UNIX... GNU is a free software operating system. ...


Glibc is used in systems which run many different kernels and different hardware architectures. Its most common use is in GNU/Linux systems on x86 hardware, but officially supported hardware includes: x86, Motorola 680x0, DEC Alpha, PowerPC, ARM, ETRAX CRIS, MIPS, s390, and SPARC. It officially supports the Hurd and Linux kernels, although there are heavily patched versions that run on the kernels of FreeBSD and NetBSD (from which GNU/kFreeBSD and GNU/kNetBSD systems are built, respectively). It is also used (in an edited form) as the libroot of BeOS and hence Haiku. In computer science, the kernel is the core piece of most operating systems. ... Computer hardware is the physical part of a computer, including the digital circuitry, as distinguished from the computer software that executes within the hardware. ... Unix systems filiation. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ... The Motorola 680x0/0x0/m68k/68k/68K family of CISC microprocessor CPU chips were 32-bit from the start, and were the primary competition for the Intel x86 family of chips. ... DEC Alpha AXP 21064 Microprocessor The DEC Alpha, also known as the Alpha AXP, is a 64-bit RISC microprocessor originally developed and fabricated by Digital Equipment Corp. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The ARM architecture (originally the Acorn RISC Machine) is a 32-bit RISC processor architecture that is widely used in a number embedded designs. ... Axis ETRAX CRIS Family of processors produced by Axis Communications. ... A MIPS R4400 microprocessor made by Toshiba MIPS, for Microprocessor without interlocked pipeline stages, is a RISC microprocessor architecture developed by MIPS Computer Systems Inc. ... Since December, 2001, IBM designates all its mainframes with the name eServer zSeries, with the e depicted in IBMs well-known red trademarked symbol. ... Sun UltraSPARC II Microprocessor Sun UltraSPARC T1 (Niagara 8 Core) SPARC (Scalable Processor ARChitecture) is a pure big-endian RISC microprocessor architecture originally designed in 1985 by Sun Microsystems. ... GNU Hurd logo Hurd redirects here. ... The Linux kernel is a Unix-like operating system kernel that was begun by Linus Torvalds in 1991 and subsequently developed with the assistance of developers worldwide. ... FreeBSD is a Unix-like free operating system descended from AT&T UNIX via the Berkeley Software Distribution (BSD) branch through 386BSD and 4. ... NetBSD is a freely redistributable, open source version of the Unix-like BSD computer operating system. ... This article is being considered for deletion in accordance with Wikipedias deletion policy. ... GNU/NetBSD is a term for an operating system using the NetBSD kernel but GNU userland software, like Debian GNU/NetBSD, a Debian version currently available for IA-32 and Alpha architectures. ... BeOS is an operating system for personal computers which began development by Be Incorporated in 1991. ... Haiku, formerly known as OpenBeOS, is an open source project dedicated to the re-creation and continuation of the Be Operating System. ...


Glibc version 2 has been referred to by Linux users as libc6, because it replaced the older Linux C library version 5 (libc5). This name is less common nowadays; however, glibc on Linux systems still uses the "soname" libc.so.6 and some packaging systems may call it libc6 for simpicity. Linux (also known as GNU/Linux) is a computer operating system. ...


External links

   
Free software Portal
  • Glibc homepage
  • Manual

  Results from FactBites:
 
The GNU C Library - Introduction (3634 words)
The GNU C library defines some of the facilities required by the SVID that are not also required by the ANSI or POSIX standards, for compatibility with System V Unix and other Unix systems (such as SunOS) which include these facilities.
The GNU C library header files have been written in such a way that it doesn't matter if a header file is accidentally included more than once; including a header file a second time has no effect.
Some library facilities, such as those for dealing with variadic arguments (see section Variadic Functions) and non-local exits (see section Non-Local Exits), actually require a considerable amount of cooperation on the part of the C compiler, and implementationally it might be easier for the compiler to treat these as built-in parts of the language.
GNU C Library - GNU Project - Free Software Foundation (FSF) (499 words)
The GNU C library is used as the C library in the GNU system and most systems with the Linux kernel.
The GNU C library is primarily designed to be a portable and high performance C library.
In 2001 The GNU C Library Steering Committee , was formed and currently consists of Mark Brown, Paul Eggert, Andreas Jaeger, Jakub Jelinek, Roland McGrath and Andreas Schwab.
  More results at FactBites »

 
 

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