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diff --git a/man7/libc.7 b/man7/libc.7 deleted file mode 100644 index 5e906d1..0000000 --- a/man7/libc.7 +++ /dev/null @@ -1,115 +0,0 @@ -.\" Copyright (c) 2009 Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH libc 7 2023-10-31 "Linux man-pages 6.7" -.SH NAME -libc \- overview of standard C libraries on Linux -.SH DESCRIPTION -The term \[lq]libc\[rq] is commonly used as a shorthand for -the \[lq]standard C library\[rq] -a library of standard functions that can be used by all C programs -(and sometimes by programs in other languages). -Because of some history -(see below), -use of the term \[lq]libc\[rq] -to refer to the standard C library is somewhat ambiguous on Linux. -.SS glibc -By far the most widely used C library on Linux is the -.UR http://www.gnu.org\:/software\:/libc/ -GNU C Library -.UE , -often referred to as -.IR glibc . -This is the C library that is nowadays used in all -major Linux distributions. -It is also the C library whose details are documented -in the relevant pages of the -.I man-pages -project -(primarily in Section 3 of the manual). -Documentation of glibc is also available in the glibc manual, -available via the command -.IR "info libc" . -Release 1.0 of glibc was made in September 1992. -(There were earlier 0.x releases.) -The next major release of glibc was 2.0, -at the beginning of 1997. -.P -The pathname -.I /lib/libc.so.6 -(or something similar) -is normally a symbolic link that -points to the location of the glibc library, -and executing this pathname will cause glibc to display -various information about the version installed on your system. -.SS Linux libc -In the early to mid 1990s, -there was for a while -.IR "Linux libc" , -a fork of glibc 1.x created by Linux developers who felt that glibc -development at the time was not sufficing for the needs of Linux. -Often, -this library was referred to (ambiguously) as just \[lq]libc\[rq]. -Linux libc released major versions 2, 3, 4, and 5, -as well as many minor versions of those releases. -Linux libc4 was the last version to use the a.out binary format, -and the first version to provide (primitive) shared library support. -Linux libc 5 was the first version to support the ELF binary format; -this version used the shared library soname -.IR libc.so.5 . -For a while, -Linux libc was the standard C library in many Linux distributions. -.P -However, -notwithstanding the original motivations of the Linux libc effort, -by the time glibc 2.0 was released -(in 1997), -it was clearly superior to Linux libc, -and all major Linux distributions that had been using Linux libc -soon switched back to glibc. -To avoid any confusion with Linux libc versions, -glibc 2.0 and later used the shared library soname -.IR libc.so.6 . -.P -Since the switch from Linux libc to glibc 2.0 occurred long ago, -.I man-pages -no longer takes care to document Linux libc details. -Nevertheless, -the history is visible in vestiges of information -about Linux libc that remain in a few manual pages, -in particular, -references to -.I libc4 -and -.IR libc5 . -.SS Other C libraries -There are various other less widely used C libraries for Linux. -These libraries are generally smaller than glibc, -both in terms of features and memory footprint, -and often intended for building small binaries, -perhaps targeted at development for embedded Linux systems. -Among such libraries are -.UR http://www\:.uclibc\:.org/ -.I uClibc -.UE , -.UR http://www\:.fefe\:.de/\:dietlibc/ -.I dietlibc -.UE , -and -.UR http://www\:.musl\-libc\:.org/ -.I "musl libc" -.UE . -Details of these libraries are covered by the -.I man-pages -project, -where they are known. -.SH SEE ALSO -.BR syscalls (2), -.BR getauxval (3), -.BR proc (5), -.BR feature_test_macros (7), -.BR man\-pages (7), -.BR standards (7), -.BR vdso (7) |