NAME
getdomainname, setdomainname - get/set domain name
SYNOPSIS
#include <unistd.h>
I int getdomainname(char * name , size_t len );
I 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 null-terminated domain name requires more than len bytes,
R 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
EFAULT
For
R setdomainname ():
name
pointed outside of user address space.
EINVAL
For
R getdomainname ()
under libc:
name
is NULL or
name
is longer than
len
bytes.
EINVAL
For
R setdomainname ():
len
was negative or too large.
EPERM
For
R setdomainname ():
the caller is unprivileged (Linux: does not have the
CAP_SYS_ADMIN
capability).
CONFORMING TO
POSIX does not specify these calls.
SEE ALSO
ČLÁNKY DO MAILU