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The Linux kernel and the GNU userland are written primarily in C.

Arch Linux uses the GNU C Library (glibc) as the C standard library; it is a dependency of the base meta package.

You can use the GNU toolchain or the LLVM toolchain to develop software in C, C++ or Objective-C.

Useful tools

Also see List of applications/Utilities#Debuggers.

Static code analyzers

• Clang has the scan-build static analyzer.

Alternative compilers

See also Wikipedia:List of compilers#C compilers.

Alternative libc implementations

Libraries

• FFmpeg - includes libav, the audio and video library (not to be confused with the FFmpeg fork of the same name).

• GStreamer – pipeline-based multimedia framework

See also:

• Archiving and compression#Compression libraries

• Wikipedia:Category:C (programming language) libraries

• A list of open source C libraries

See also

• man pages in section 2 for system calls

• man pages in section 3 for library functions

• GCC and Make – Compiling, Linking and Building C/C++ Applications

• SEI CERT C Coding Standard

• #C IRC channel