gethostname man page on NeXTSTEP

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GETHOSTNAME(2)							GETHOSTNAME(2)

NAME
       gethostname, sethostname - get/set name of current host

SYNOPSIS
       gethostname(name, namelen)
       char *name;
       int namelen;

       sethostname(name, namelen)
       char *name;
       int namelen;

DESCRIPTION
       Gethostname  returns  the standard host name for the current processor,
       as previously set by sethostname.  The parameter namelen specifies  the
       size  of	 the  name array.  The returned name is null-terminated unless
       insufficient space is provided.

       Sethostname sets the 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 VALUE
       If the call succeeds a value of 0 is returned.  If the call fails, then
       a  value	 of  -1	 is returned and an error code is placed in the global
       location errno.

ERRORS
       The following errors may be returned by these calls:

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

       [EPERM]	      The caller tried to set the hostname  and	 was  not  the
		      super-user.

SEE ALSO
       gethostid(2)

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

4.2 Berkeley Distribution	 May 22, 1986			GETHOSTNAME(2)
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