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NAME    [Toc]    [Back]

     getdomainname, setdomainname -- get/set the NIS domain name of current

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <unistd.h>

     getdomainname(char *name, int namelen);

     setdomainname(const char *name, int namelen);

DESCRIPTION    [Toc]    [Back]

     The getdomainname() function returns the standard NIS domain name for the
     current host, as previously set by setdomainname().  The namelen argument
     specifies the size of the name array.  The returned name is null-terminated
 unless insufficient space is provided.

     The setdomainname() function sets the NIS domain name of the host machine
     to be name, which has length namelen.  This call is restricted to the
     super-user and is normally used only when the system is bootstrapped.

RETURN VALUES    [Toc]    [Back]

     Upon successful completion, the value 0 is returned; otherwise the
     value -1 is returned and the global variable errno is set to indicate the

ERRORS    [Toc]    [Back]

     The following errors may be returned by these calls:

     [EFAULT]		The name or namelen argument gave an invalid address.

     [EPERM]		The caller tried to set the hostname and was not the

SEE ALSO    [Toc]    [Back]

     gethostid(3), gethostname(3), sysctl(3)

BUGS    [Toc]    [Back]

     Domain names are limited to MAXHOSTNAMELEN (from <sys/param.h>) characters,
 currently 256.

HISTORY    [Toc]    [Back]

     The getdomainname() function appeared in 4.2BSD.

FreeBSD 5.2.1			  May 6, 1994			 FreeBSD 5.2.1
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