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setdomainname(2) -- Linux man page
NAME
getdomainname, setdomainname - get/set domain name
SYNOPSIS
#include <unistd.h>
int getdomainname(char *name, size_t len);
int setdomainname(const char *name, size_t len);
DESCRIPTION
These functions are used to access or to change the domain name of the
current processor.
If the NUL-terminated domain name requires more than len bytes,
getdomainname
returns the first len bytes (glibc) or returns an error (libc).
RETURN VALUE
On success, zero is returned. On error, -1 is returned, and
errno
is set appropriately.
ERRORS
- EINVAL
-
For
getdomainname
under libc:
name
is
NULL
or
name
is longer than
len
bytes.
- EINVAL
-
For
setdomainname:
len
was negative or too large.
- EPERM
-
For
setdomainname:
the caller was not the superuser.
- EFAULT
-
For
setdomainname:
name
pointed outside of user address space.
CONFORMING TO
POSIX does not specify these calls.
SEE ALSO
gethostname(2),
sethostname(2),
uname(2)
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