Install glibc-doc by entering the following commands in the terminal:
sudo apt update sudo apt install glibc-doc
Description:
GNU C Library: Documentation
Contains man pages for libpthread functions and the complete GNU C Library ChangeLog. The GNU C Library Reference manual has been moved into glibc-doc-reference for licensing reasons.
Homepage: https://www.gnu.org/software/libc/libc.html
Version: 2.27-3ubuntu1
Section: doc