@node gethostname
@section @code{gethostname}
@findex gethostname

POSIX specification: @url{http://www.opengroup.org/susv3xsh/gethostname.html}

Gnulib module: gethostname

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
mingw.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
If the given buffer is too small for the host name, some implementations
fail with @code{EINVAL}, instead of returning a truncated host name.
@end itemize