The GNU C Library (glibc) manual

This glibc manual version 2.43 (latest) is available in the following formats:

• HTML - entirely on one web page.
• HTML - one web page per node.
• HTML compressed (gzipped tar file) - with one web page per node.
• Info document (gzipped tar file).
• ASCII text compressed (gzipped).
• TeX dvi file (gzipped).
• PDF file.
• Texinfo source (gzipped tar file).

The manual is available for the following releases of glibc:

• 2.43 (latest)
• 2.42
• 2.41
• 2.40
• 2.39
• 2.38
• 2.37
• 2.36
• 2.35
• 2.34
• 2.33
• 2.32
• 2.31
• 2.30
• 2.29
• 2.28
• 2.27
• 2.26
• 2.25
• 2.24
• 2.23
• 2.22

Last updated February 2nd, 2026