https://www.unix.com/man-page/v7/3C/gethostname/
gethostname(3c) v7 man page | unix.com
Man page for gethostname(3c) on v7, from the unix.com online archive.
man pagegethostnameunix
https://manpages.org/gethostname
man gethostname (1): get name of current host
man gethostname (1): The gethostname() function shall return the standard host name for the current machine. The namelen argument shall specify the size of the...
mangethostnamecurrent