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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified Mon Aug 25 16:26:16 1997 by Nicols Lichtmaier <nick@debian.org>
.\"
.TH GETDOMAINNAME 2 "25 August 1997" "Linux 2.0" "Linux Programmer's Manual"
.SH NAME
getdomainname, setdomainname \- get/set domain name
.SH SYNOPSIS
.B #include <unistd.h>
.sp
.BI "int getdomainname(char *" name ", size_t " len );
.br
.BI "int setdomainname(const char *" name ", size_t " len );
.SH DESCRIPTION
These functions are used to access or to change the domain name of the
current processor.
If the domain name is greater than
.IR len ,
.B getdomainname
returns the first
.I len
bytes.
.SH "RETURN VALUE"
On success, zero is returned. On error, \-1 is returned, and
.I errno
is set appropriately.
.SH ERRORS
.TP
.B EPERM
For
.BR setdomainname ,
the caller was not the superuser.
.TP
.B EINVAL
For
.BR setdomainname ,
.I len
was too long or less than 0.
.TP
.B EFAULT
For
.BR setdomainname ,
.I name
pointed outside of user address space.
.SH "CONFORMING TO"
POSIX does not specify these calls.
.SH NOTES
Under Linux,
.B getdomainname
is implemented at the library level by calling
.BR uname (2).
.SH "SEE ALSO"
.BR gethostname (2),
.BR sethostname (2),
.BR uname (2)
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