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GETDOMAINNAME(2)           Linux Programmer's Manual          GETDOMAINNAME(2)

       getdomainname, setdomainname - get/set NIS domain name

       #include <unistd.h>

       int getdomainname(char *name, size_t len);
       int setdomainname(const char *name, size_t len);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       getdomainname(), setdomainname():
           _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)

       These  functions are used to access or to change the NIS domain name of
       the host system.

       setdomainname() sets the domain name to the value given in the  charac-
       ter  array  name.   The  len  argument specifies the number of bytes in
       name.  (Thus, name does not require a terminating null byte.)

       getdomainname() returns the null-terminated domain name in the  charac-
       ter  array  name,  which has a length of len bytes.  If the null-termi-
       nated domain name requires more than len bytes, getdomainname() returns
       the first len bytes (glibc) or gives an error (libc).

       On  success,  zero is returned.  On error, -1 is returned, and errno is
       set appropriately.

       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.

       POSIX does not specify these calls.

       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

       On most Linux architectures (including x86),  there  is  no  getdomain-
       name()  system  call;  instead,  glibc  implements getdomainname() as a
       library function that returns a copy of the domainname  field  returned
       from a call to uname(2).

       gethostname(2), sethostname(2), uname(2)

       This  page  is  part of release 3.74 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest     version     of     this    page,    can    be    found    at

Linux                             2012-10-25                  GETDOMAINNAME(2)

Czas wygenerowania: 0.00013 sek.

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