GETDOMAINNAME(2) Linux Manual Page

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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