GETDOMAINNAME(2) | Linux Programmer's Manual | GETDOMAINNAME(2) |
NAME
getdomainname, setdomainname - get/set NIS domain nameSYNOPSIS
#include <unistd.h>Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
_BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)
DESCRIPTION
These functions are used to access or to change the NIS domain name of the host system.RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.ERRORS
setdomainname() can fail with the following errors:- EFAULT
- name pointed outside of user address space.
- EINVAL
- len was negative or too large.
- EPERM
- the caller is unprivileged (Linux: does not have the CAP_SYS_ADMIN capability).
getdomainname() can fail with the following errors:
- EINVAL
- For getdomainname() under libc: name is NULL or name is longer than len bytes.
CONFORMING TO
POSIX does not specify these calls.NOTES
Since Linux 1.0, the limit on the length of a domain name, including the terminating null byte, is 64 bytes. In older kernels, it was 8 bytes.SEE ALSO
gethostname(2), sethostname(2), uname(2)COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.2012-10-25 | Linux |